1. What minerals are included in pumice?

Answers

Answer 1
The most common minerals in pumice are feldspar, augite, hornblende, and zircon.

Related Questions

Organize the steps of DNA replication

Answers

Answer:

Step 1: Replication Fork Formation. Before DNA can be replicated, the double stranded molecule must be “unzipped” into two single strands. ...

Step 2: Primer Binding. The leading strand is the simplest to replicate. ...

Step 3: Elongation. ...

Step 4: Termination.

Explanation:

What is the trend between 20-30 years in the kelp population?

Answers

The tresnd is decreasing because of the loss in kelp production due to sea urchins.

There are algae that are unicellular to multicellular in structure and they have a thalloid body that is not divided into the stem root and leaves to normal plant body having the root stem and leaves and they show and live in a wide range of habitats like in water, snow, land, marshy areas, etc and the algae have different kind of pigments like chlorophyll a, b, c, d and xanthophyll, carotenoids and according to this they are divided into green, brown, red and golden algae and the largest brown algae are called as kelps which is the largest seaweed  found in the floors opf oceans and it is served as food for humans and also for sea urchins and the number of sea urchins is increasing which inturn increases the environmental pressure and they are used to eat as well the trend in the 20 to 30 years in the kelp population is that it is reducing because of sea urchins the aquatic animals because they eat kelps and clip the bottonms and due to which the sea urchins stop the keps from regrwoing as the sea urchins live there so the habitat of kelps is being lost .

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Which statement is correct about scientific laws and theories?
They can change into one another.
They both describe a phenomenon.
They serve different purposes in science.
They both explain a phenomenon.

Answers

The statement that is correct about scientific laws and theories is they both explain a phenomenon. The correct option is D.

What are a theory and a scientific law?

A theory is an explanation of any scientific phenomenon. The theory is given by experimenting with any phenomenon by using variables and testing them, then giving the theory.

A scientific law is a law that is made about any phenomenon in nature. They both explain the secrets of things in the natural world. They have verified forms.

Thus, the correct option is D. They both explain a phenomenon.

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Hi can someone please help me with these!

Answers

19. Placebo group, because they’re testing it. Surgeries are known to work.

20. Surgery group, for the same reasons.

21. Knee functionality, because that (supposedly) DEPENDS on whether the patient gets a surgery or not.

22. Quantity and/or presence of tiger urine

23. Whether or not the deer are repelled, as that depends on the tiger urine.

24. Not sure for this one, sorry. It doesn’t look like there’s enough information present to identify a control group.

25. Sorry, but I’m not sure what this is. Hope the other answers help, though.

Which kind of organism obtains energy directly from the sun?

A. decomposers
B. omnivores
C. herbivores
D. producers

Answers

Answer: D producer

Explanation: The answer has to do with trophic levels. As you probably know, the organisms at the base of the food chain are photosynthetic; plants on land and phytoplankton (algae) in the oceans. These organisms are called the producers, and they get their energy directly from sunlight and inorganic nutrients.

Answer:

Producers

Explanation:

The first trophic level in a food chain consists of producers. As the name says, they are able to take in sunlight and convert it into chemical energy. Hence can use the energy directly from the sun due to special pigments on their body. Examples: Green plants.

How do transport proteins make it easier for certain
molecules to diffuse across a membrane?

Answers

Answer:

They create a channel/tunnel for them to go through the membrane without coming in contact with it.

Fill in the Sentence!

Answers

Answer:

Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.

Explanation:

First blank: Glucose

Second blank: Cell

Third blank: Reproduce

Forth blank: Photosynthesis

Plants use glucose as food. Glucose allows plants to carry out important cell functions. Plants grow and reproduce using the glucose they produced during photosynthesis.

What is photosynthesis?

Photosynthesis can be described as a process used by plants and other organisms to convert light energy into chemical energy which through cellular respiration, can release energy in the form of ATP to fuel the organism's activities.

Plants produce glucose during photosynthesis which is then stored as starch or converted to other molecules. The oxidation of glucose during cellular respiration provides plants with energy used by plants to carry out important cell functions.

Considering the given question above:

The first blank is Glucose.

The second blank is cell.

The third blank is reproduce

The fourth blank is photosynthesis.

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12 In a key about
fish, the species
are identified by
the length of their
bodies and by play
their body mass. Is
this key reliable?
Explain your
answer.

Answers

Yes, fish species can be distinguished from one another based on their mass and body length.

Which species do you mean?

A biological species is a collection of animals that can reproduce with one another in the wild and produce healthy offspring.

Briefing:Every fish's body index is measured twice in relation to its usual value.Parallels between the two distinct fish circumstances and the parasite load are possible.Since parasite tissues are not host tissues, they were not taken into account when calculating a fish's mass for an index of bodily condition.If parasite mass was not taken into consideration, fish body condition was found to be overstated; as a result, there was a positive link between relative parasite mass and the level of overestimation of individual fish condition.Helminth parasites have no discernible impact on fish health, and fish health has no impact on parasite load.

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Name
Review and Reinforce
10.
What is Energy? 6th Grade
Lesson 1 Chapter 1 Use pages 8-13
Understanding Main Ideas
Answer the following questions in the spaces provided.
2. How is power related to energy?
1. How are work and energy related?
energy is measured in Joules thesang unit as work
3. What are the two basic kinds of energy?
4. A girl who weighs 30 kg is inline skating at a speed of 5 m/s. What is
the girl's kinetic energy?
Date
5. A hat that weighs 5 newtons is hanging from a hook 1.5 meters
above the floor. How much gravitational potential energy does the
hat have?
6.
7. A
8.
9. gravitational
potential energy
energy
kinetic energy
potential energy
Building Vocabulary
Match each term with its definition by writing the letter of the correct definition in the
right column on the line beside the term in the left column.
Class
elastic potential
energy
a. potential energy related to an object's height
b. the ability to do work or cause change
c. energy associated with objects that can be compressed or
stretched-
d. the energy an object has due to its motion
e. energy that results from an object's position or shape

Answers

Answer:

all A 4 b 2 c 4  d8

Explanation:

Question: What occurs when two glucose molecules bond?
1. Infer: Glucose is an example of a monosaccharide, the simplest type of carbohydrate. A
disaccharide is made from bonding two monosaccharides together.
What do you think the prefixes mono- and di- mean? Mono-:
Di-:

Answers

When two glucose molecules bond it forms maltose.

Maltose is a disaccharide made up of two units of glucose connected together by a bond. It is sometimes referred to as maltobiose or malt sugar. The two glucose molecules are connected together by a bond in the isomer isomaltose. Maltose is the two-unit member of the amylose homologous series, which is the main structural motif of starch.

It is found both naturally and artificially in a variety of foods, including beer, bread, breakfast cereals, and high-maltose corn syrup. Maltose can either be absorbed by the body and stored for later use or it can be broken down into glucose for immediate use. In essence, maltose is a crucial source of energy.

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need help please!!!
I need a summary on the continental drift theory!!

Answers

The theory of continental drift is most associated with the scientist Alfred Wegener. In the early 20th century, Wegener published a paper explaining his theory that the continental landmasses were “drifting” across the Earth, sometimes plowing through oceans and into each other. Wegener took the areas that had been covered by ice sheets and fitted them together around the south pole. HIS CONCLUSION - the continents were once part of a single larger continent that then split apart, drifting to their present positions over the last 300 million years.

How is the earth different from all of the other planets?

It has rocky surface
It is warmed by the sun
It has a breathable atmosphere
It rotates on its axis

Answers

it rotates on its axis.have a good day:)

give three characteristic features of amphibians which help to differentiate them from fishes ​

Answers

Answer:

Academic ___________ is applying honesty and trustworthiness to your learning .

Which action is an example of using scientific thinking to make inferences?
A. Researching existing knowledge about the natural world
B. Using tools or measurements to collect data
C. Asking questions and being curious about the natural world
OD. Analyzing data and observations to form conclusions
SUBMIT

Answers

Option D: An example of using scientific thinking to make inferences is analyzing data and observations to form conclusions.

Scientific thinking is a step included in a scientific investigation. Scientific investigation is a plan to observe different aspects of nature, ask questions, and draw possible answers. Steps to scientific investigation involve making observations, asking a question, forming hypotheses, testing hypotheses, and concluding. The last and most important step is communicating the conclusions with others. This allows others to test what was produced in a scientific investigation and whether the claims are true or not.

Conclusions are formed on the basis of data and observations made in a research. Any hypothesis that a scientist claims needs to provide evidence. None of the evidence can be true wholly. That's why, conclusions are made on the basis of their studies and evidence for those studies. Another scientist may find another result that may not support the previous hypotheses and thus the hypothesis may be proved wrong. The more evidences for a hypotheses are provided, the more chances the conclusion made was true.

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When demand for a product is low, the producer will

Answers

Answer:

The producer will lower prices

Explanation: If there is little demand for a product, the production for that product will If there is little demand for a product, the production for that product will.- A lack of market demand will force you to lower prices in order to move products off the shelves, while a lack of supply may cause prices to skyrocket.

Answer:

Lower the price to try to increase the demand

Explanation:

what are other ways that wite blood cells protect the body other than
producing antibodies

Answers

White blood cells engage in defence-related functions by consuming foreign objects and cell debris, eliminating pathogens and cancer cells, or by creating antibodies.

The immune system of the body includes white blood cells. They support the body's defences against illness and infection. Granulocytes (neutrophils, eosinophils, and basophils), monocytes, and lymphocytes are different types of white blood cells (T cells and B cells).

You run a higher risk of getting sick if your white blood cell count is low, especially if your neutrophil count is low. Additionally, your body is unable to defend itself if you contract an illness when your white blood cell count is low. In some situations, the infection might be fatal.

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Earth is made of solid materials. Jupiter, Saturn, Uranus, and Neptune are all made of gas. Which is true about the density of these planets?

They are more dense than Earth.

They have no density.

They are less dense than Earth.

They have the same density as Earth.

Answers

Answer:

they are less dense than earth

Plss help meee pls :’0

Choose a plant structure and animal structure that serve a similar function in each
organism. Describe the structures and how they each organism survive.

Answers

Answer:

All living things, plant and animal, are made up of strikingly similar microscopic building blocks called cells, the basic structural and functional units of life.

Explanation:

Cells are in both animals and plants and will always operate the same. They might not be in the same place, but they all do the same thing just about.

Consider your knowledge about the cell membrane and check all of the true statements below

Answers

The statements that are true about cell membrane are:

In water, phospholipids spontaneously arrange into a bilayer.Steroids in cell membranes allow the membrane to be more fluid.Phospholipid bilayers surround all eukaryotic cells.Both plant and animal cell membranes are considered fluid mosaics.

A biological barrier called the cell membrane isolates and safeguards the interior of all cells from the external environment. Cells make up all living things, including both eukaryotic and eukaryotic creatures, and all cells have cell membranes.

Phospholipids naturally form bilayers in an aqueous environment, with the hydrophilic heads of the phospholipids facing the water environment at the surface and the hydrophobic fatty acid chains being protected from the water on the inside. Steroids are lipids that intercalate into the plasma membrane's bilayer of a cell, making the cell membrane less fluid. Different biological functions for integral membrane proteins could exist. Permeases, for instance, are integral membrane proteins that aid in the passive diffusion of specific substances (such as glucose) across the cell membrane.

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The complete question is:

consider your knowledge about the cell membrane and check all of the true statements below. Check All That Apply Cell membranes are present in only two of the three domains of life. Cell membranes are present in only two of the three domains of life. In water, phospholipids spontaneously arrange into a bilayer. In water, phospholipids spontaneously arrange into a bilayer. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. The area within a phospholipid bilayer, near the fatty acid tails, is hydrophilic. Steroids in cell membranes allow the membrane to be more fluid. Steroids in cell membranes allow the membrane to be more fluid. Phospholipid bilayers surround all eukaryotic cells. Phospholipid bilayers surround all eukaryotic cells. Membrane proteins offer structural support to the membrane but have no other function. Membrane proteins offer structural support to the membrane but have no other function. Both plant and animal cell membranes are considered fluid mosaics.

Nucleic acids contain three basic components. Which one of these is NOT
one of them.
a. A 5-carbon sugar
O b. A phosphate
O c. A nitrogenous base
O d. A carbonyl

Answers

Answer:

O d. A carbonyl

Explanation:

Nucleotides have three components: pentose sugar (5-carbon sugar), phosphate group, and nitrogenous base.

The cell diagram below represents a nerve cell from a human.



Structure X represents the nucleus and nucleolus.

What additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins?

Question 5 options:

ribosomes, smooth ER, lysosomes and vacuoles


mitochondria, vacuoles, lysosomes and ribosomes


mitochondria, chloroplasts, ribosomes and vacuoles


ribosomes, rough ER, Golgi apparatus and vacuoles

Answers

The additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins are: ribosomes, rough ER, Golgi apparatus and vacuoles.

How are proteins produced?

Proteins are formed by ribosomes that are going to make them from amino acids, this is done from a copy of DNA that comes from the nucleus, which is going to contain the information of the protein, each protein has your own DNA copy. Then when the ribosome has already formed the protein, it will be expelled through vacuoles and will move towards the golgi apparatus where it will finish modifying the protein and then it will be released through vacuoles into the environment. Ribosomes are found in the thick endoplasmic reticulum.

Therefore, we can confirm that the additional organelles would need to be shown on this diagram to demonstrate that the cell can produce proteins are: ribosomes, rough ER, Golgi apparatus and vacuoles.

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Which of the following abiotic factors has the greatest influence on the population of deer that lives herds?  Explain. Predatory animals   Minerals found in the soil   Temperature   Bacterial infections 

Answers

Option C: Temperature is the abiotic factor that has the greatest influence on the populations of the deer that live in the herd.

A deer population in an ecosystem is majorly influenced by the factors like climate, habitat, predators and availability of food. While temperature is the abiotic factor that may influence deer population for a herd.

Abiotic factors are the nonliving components of the environment that influence living beings and the ecosystem. Soil, water, sunlight, oxygen and temperature are the major abiotic factors that can influence the biotic components of an ecosystem.

Deer are highly valued and unique members of a wildlife heritage. They have been contributing to the benefit of the human population for much longer. Hence, they are trying to preserve a landscape by applying strategies to save them and provide an appropriate environment to the deer populations.

Out of the factors that influence deer populations, temperature is the only abiotic factor given in the question. Hence, option C is the correct answer.

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Describe and discuss the different notions of the self from the points of view of various philosophers across time and place

Answers

The different notions of the self from the points of view of various philosophers across time and place:

CarryOnLearning

The current volume explores the Self from a range of significant philosophical vantage points, including phenomenology, psychoanalysis, metaphysics, and neurophilosophy. It covers a wide range of specialised topics, including personal identification, self-distinction, psychopsychologies, and mind-body issues.

A self is just a person, a conscious, alive human being. The reflexive pronouns "myself" and "yourself" are formed with the particle "self," and they relate to people. The straightforward theory of selves is that they are people.

They are existentialism, pragmatism (also known as experientialism), realism, and idealism. We'll go over each one shortly. The foundation or root from which the various educational philosophies are created can be found in these four main frameworks.

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you decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink. Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them

Answers

Answer:

If every person in your neighborhood decided to cut the amount of water they use in half, that would have a tremendous positive effect on the water.

Explanation:

Reducing shower time and turning off water while brushing teeth conserves water, benefiting both water supply by preserving sources and reducing demand on treatment facilities.

By halving the time spent in the shower and turning off the water while brushing teeth and washing faces, individuals in the neighborhood can significantly reduce their water consumption. This would have a positive effect on both the supply and demand aspects of the water cycle. On the supply side, the reduced usage would decrease the strain on local water sources such as rivers, lakes, and underground aquifers. It would contribute to the conservation of these resources, promoting their sustainability and maintaining ecological balance.

On the demand side, the reduced water consumption would alleviate the pressure on wastewater treatment facilities, reducing energy requirements for water treatment and decreasing the discharge of treated water back into the environment. Overall, these actions would promote water conservation, help preserve natural water sources, and contribute to a more sustainable water cycle in the neighborhood.

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The complete question is:

You decide to halve the time you spend in the shower each day and to turn off the water while you're brushing your teeth and washing your face at the sink.  

Required:

Evaluate the effect that these actions might have on two different aspects of the water cycle if every person in your neighborhood also performed them.

A 40-kilogram student on an inner tube is pulled by a boat. The force from the boat results in the student accelerating a 2 m/sec2 . Calculate the net force needed to cause this acceleration.

Answers

The net force needed to cause this acceleration on the student is 80 N.

What is the net force acting on the body to cause the students to accelerate at 2.m/s²?

Force is a defined as any push or pull agent that cause a change in the state of rest or motion of a body.

This force that brings about these changes is known as a net force since they are unbalanced by an equal oppositely directed reaction force.

Net forces cause a body at rest to move or a moving body to stop or change direction.

The formula to calculate net force is given below:

Force = mass * acceleration

From the data provided:

mass of the boy = 4 kg

acceleration on the boy = 2 m/s²

Net force on the boy = 40 kg * 2 m/s²

Net force on the boy = 80 N

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How does phospholipid structure relate to the selective permeability of the plasma membrane?

Answers

Answer:

The structure of the plasma membrane makes it selectively permeable, enabling it to regulate the transport of substances into and out of the cell.

Explanation:

1 ×××÷÷÷=×÷×××5by the space root

Please help me fast i am so tired with this question

Answers

Answer:

C

Explanation:

Structure is the correct answer because of the turgor pressure

Question 1 of 10
A researcher observed an amoeba under a microscope. While she watched,
the amoeba moved toward a smaller object, surrounded it, and brought the
object inside itself. Which two characteristics of life did the amoeba
demonstrate?
A. Evolution
B. Reproduction
C. Obtaining matter and energy
D. Response to stimuli
← PREVIOUS
SUBMIT

Answers

Answer:

B, but I'm not 100% sure if uts B though

The amoeba demonstrated two characteristics of life: C. Obtaining matter and energy and D. Response to stimuli. Therefore option C and D is Correct.

By moving toward a smaller object and engulfing it, the amoeba showcased the characteristic of obtaining matter and energy, as it consumed the object to nourish itself and carry out its life processes.

Additionally, the movement toward the smaller object reflects the amoeba's ability to respond to stimuli, indicating its sensitivity to its environment.

Both of these characteristics are fundamental attributes of living organisms, where they interact with their surroundings, acquire nutrients, and respond to stimuli to maintain their life functions and survival.

Therefore option C Obtaining matter and energy and D Response to stimuli is Correct.

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True or False: flip flops are appropriate lab
footwear?

Answers

false, you must wear closed toed shoes in a lab

Answer:

False

Explanation:

You have to wear close footwear just in case a chemical substance falls on you.

QUESTION 1
Name the species interaction.
The strangler fig (Ficus crassicuscula) begins as a seed dropped by a bird or monkey into the tree canopy. The seed sprouts and tendrils
grow downward and around the host tree. Finally the tendrils reach the ground where they grow their own root system. As the strangler fig
continues to grow around the host tree, the host often dies either as a result of the fig strangling it or from lack of sun as the strangler fig
shades the host tree. The strangler fig then consumes the nutrients of its decaying host.
OA. Commenalism
OB. Resource Partitioning
OC. Competition
O D. Parasitism

Answers

Interaction between species is called parasitism, as option D shows.

What is parasitism?It is a disharmonious relationship between two living beings.It is a relationship where only one of the individuals benefits while the other suffers harm.

A parasite is a living being that takes advantage of another living being's resources, stealing them completely. An example of this is the strangler fig which uses the structure of another plant to get sunlight and nutrients.

The strangler fig does not supply the host plant with anything, but absorbs its nutrients and prevents it from receiving sunlight, causing it to slowly die.

In this case, we can see a clear example of parasitism.

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Write 45 in lowest terms.47 Differentiating among customers in terms of both their needs and their value to the company is the __________ step in one-to-one marketing. Kimiko witnessed the death of a good friend when she was 10 years old. it is likely that she? Evaluate expression if r=3, q=1 , and w=-2 . r + 3q / 4r an overseas phone call is charged at one rate (a fixed amount) for the first minute, and charged at a different rate for each additional minute. if a 7 minute phone call costs $10, and a 4 minute phone call costs $6.40, what is the rate charge for the first minute, and what is the rate charged for each minute after the first? how can you establish rhythm in your speech? a. include visual cues in your notes. b. insert blank slides into your presentation. c. time yourself while practicing with your slides. d. memorize your main points. What is citizenship? _____ tend to be around zero, suggesting little direct environmental influence on the traits of extraversion and neuroticism. Write one paragraph stating what you think the theme of "Two Kinds" is. Be sure to provide textual support for your position, preferably in the form of quotes.I'd really appreciate it, thank you :) Many industrial companies and car manufacturers design solutions to reduce pollution. Even so, chemicals still enter the atmosphere. Some of these pollutants combine with water in the air to form acid rain.Which property of acids would cause acid rain to damage buildings over time?A. Acids taste sour.B. Acids react with metals.C. Acids react with limestone.D. Acids react with indicators.I THINK THE ANSWER IS (C)Part 2 of the questionWhat might be done to prevent acid rain damage to objects from metal and carbonate, such as limestone? Identify a metal object that could be damaged by acid rain. Then, describe what could be done to prevent acid rain damage to it. Do the same thing for an object that contains carbonate What is the best way for a coach to provide feedback that is high ininformation? What is the meaning of the root word phleb? 2. cutting 3. injecting 4. needle 5. vein The balance sheet value of a firm's asset minus the balance sheet amount of its liabilities is known as:________ Write letter to George Washington suggesting whether or not we have followed along the path and claims he suggested. What has our nation done in the past 220 years with regards to building unity, forming alliances, and political parties? why is there air in the air Which of the following parts of an amino acid vary among different amino acids?The side chain, or R groupThe amino groupThe hydrogen on the central carbonThe phosphate groupThe carboxyl group the maximum price that a buyer will pay for a good is called question 21 options: a) consumer surplus. b) efficiency. c) willingness to pay. d) equilibrium. Which are measurable data that can be used to support if a patient is meeting infection-related goals? a protein embedded in the plasma membrane that allows sodium ions to cross that membrane would be functioning as a(n) . What was the estates general calledHELPPPP!!!