please please please please please help me ​

Please Please Please Please Please Help Me

Answers

Answer 1

Answer:

i think it is the third option

Explanation:

hope this helped

(sorry if this is wrong.)

Answer 2

The total momentum of the system will remain the same. The momentum and energy is transferred from the first ball into the other one, but none is lost.

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Related Questions

A copy a chromosome made during cell division are called

Answers

Answer:

As a cell prepares to divide, it must make a copy of each of its chromosomes. The two copies of a chromosome are called sister chromatids.

In the term isotonic, the prefix iso- means

A. Above
B. Equal
C. Below
D. Pressure

Answers

Answer:

Iso stands for equal......

It means equal so choice B

Mosses, liverworts, and hornworts all have ______ reproductive characteristics?
embryonic style
asexual offspring
alteration of generation

Answers

I’m not to sure bro but when in doubt pick c

Answer:

i think its alteration of generation

Explanation:

i studied this but i have loss of memory

How are humans circulatory system similar and different to other animals

Answers

Answer:

Humans have a heart with two atria and two ventricles that pushes blood in one direction. Some animals have hearts similar to humans but, other animals have only one atrium and one ventricle or a cardiovascular system that can push blood in two directions.

Humans circulatory system is similar due to presence of artrium and ventricles and different to other animals due to number of heart chambers.

How human circulatory system similar and different to other animals?

Humans have a heart with two atria and two ventricles that prevents bactward flow of blood. Some animals have hearts similar to humans but, other animals have only one atrium and one ventricle that can push blood in two directions.

So we can conclude that Humans circulatory system is similar due to presence of artrium and ventricles and different to other animals due to number of heart chambers.

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Vascular plants are able to grow taller than nonvascular plants because A. lignin in the cell walls of vascular tissue helps the plant overcome gravity. B. they can live in drier areas than nonvascular plants. C. they rely on osmosis to transport materials throughout the body of the plant. D. there is more sunlight in the areas where vascular plants live.

Answers

Answer:

c

Explanation:

Answer:

A

Explanation:

I got it wrong the first time

I need help please with both of them

Answers

prevent

location

Explanation

Top is prevent and bottom is achievement

Describe what a spreading center is and how a volcano
forms there.

Answers

Explanation:

Spreading center volcanism occurs at the site of mid-oceanic ridges, where two plates diverage from one another. As the plates are pulled apart, hot ashtenophere rise upward to fill voids of the extended lithosphere.

How many different keys can be used in a single sort?

Answers

Answer:

The answer is 3.

Explanation:

Hope this helped Mark BRAINLEST!!!

PLEASE HELP!!!!!! 100 POINTS!! Lab: Absorption and Radiation by Land and Water
Now that the lab is complete, it is time to write your lab report. The purpose of this guide is to help you write a clear and concise report that summarizes the lab you have just completed.
The lab report is composed of three sections:
Section I: Experimental Overview
o Provide background information.
o Include the hypothesis.
o Summarize the procedure.

Section II: Data and Analysis
o Include graphs to display trends in the data.
o Identify trends in the data.

Section III: Conclusions
o Identify if the hypothesis was supported or refuted.
o Provide logical reasoning based on data.
o Explain how the experiment could be improved.

To help you write your lab report, you will first answer the eight questions listed below based on the experiment that you have just completed. Then you will use the answers to these questions to write the lab report that you will turn in to your teacher.
You can upload your completed report with the upload tool in formats such as OpenOffice.org, Microsoft Word, or PDF. Alternatively, your teacher may ask you to turn in a paper copy of your report or use a web-based writing tool.
Questions

Section I: Experimental Overview
1. What is the purpose of the lab?












2. What is your hypothesis for this experiment?
















3. What methods are you using to test this hypothesis?
Outline the steps of the procedure in full sentences.











Section II: Data and Analysis
4. What graphs would clearly represent the trends in your data?
Your Student Guide includes information on which graphs to construct. Each graph should have the following items:
a. An appropriate title
b. Appropriate labels for each axis
c. An appropriate scale for each axis
d. The correct units for the data

Complete a rough sketch of each graph.
































5. What do the data in your graphs tell you?
Explain in one or two sentences what trend is shown in each of your graphs.





Section III: Conclusions
6. What do the data tell you about your hypothesis?
State how your hypothesis is either supported OR refuted by the data.









7. How do the data support your claim above?
Explain your statement above. Be sure to refer to specific pieces of data from your experiment that support your argument.












8. If you could repeat the experiment and make it better, what would you do differently and why?
There are always ways that experiments can be improved. Now that you are a veteran of this experiment and have experience with the procedure, offer some advice to the next scientist about what you suggest and why.

Answers

Answer:

First read the student guide to understand everything that will occur in this lab. Second read the safety guideline to ensure no one is harmed during this lab. Then gather your materials for the lab. After that section off your grass into 32 sections. Choose a quadrant and make some observations. Then choose a random sample area in your quadrant to estimate how many individual pieces of grass are present. Next, fid the average height of thegrass. Then, compare the data to quadrant #18. Plant your seeds. Count how many blades of grass are in your random sample area, and then calculate the estimated number of blades in your quadrant. Find the average height of the grass. Compare your data once again to quadrant #18, which is in the control group. Record the height of all the plants and calculate the average height for each type of plant. Compare this data with the data from quadrant # 18. Combine the data from all quadrants, and then compare the data from the experimental group to the control group. Make sure you record all your data.

Explanation:

The way by which HIV can be spread is contact with mucus, infected blood, and contaminated water. Thus, option C is correct.

Who does not need a circulatory system?

A single-celled organism that doesn't required the circulatory system as human do. Since they are the singular, they can interact with their environment directly. Oxygen need to be supplied by the circulatory system and some of the cells also well differentiated so it can be only accept a certain processed food.

Most mollusks, or except for the some particular cephalopos like skids, have an open circulatory system in which the circulating fluid has been called hemolymph that  flows through the body thanks to the muscle contractions that pump this fluid into the hemolymph vessel that discharges this fluid into the body cavity allowing substances and gases to be exchanges between body cells and the carrying hemolymph. Then this fluid goes back to the blood vessel and reinitiates the circulation.

Therefore, Thus, option C is correct.

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GIVING BRAINLIEST AND THE REST OF MY POINTS!!!!! :D
Two parts of the food chain are described below:

Part #1: These organisms are the ending of the food chain.
Part #2: This passes energy to plants and animals.

Which statement is true about these two parts of the food chain?

A) Part 1 are consumers, Part 2 is the sun
B) Part 1 are consumers, Part 2 are producers
C) Part 1 are producers, Part 2 is the sun
D) Part 1 are producers, Part 2 are consumers

(DONT ADD ANY LINKS)

Answers

The answer is part 1 are consumers and part 2 is the sun. Consumers are the animals that last animal is does not have a predator in its food chain. While the sun provides for plants and animals mostly because plants do not get energy from eating and the sun provides vitamins and nutrients for our food.

The correct statement is B) Part 1 are consumers, Part 2 are producers.

What are the two parts of food chain?

Part 1 of the food chain describes organisms that are the end of the food chain, which would typically be consumers or animals that feed on other organisms, including plants and other animals.

Part 2 of the food chain refers to something that passes energy to plants and animals. This is typically the sun, which provides energy through photosynthesis to producers, or plants, that convert light energy into chemical energy stored in food. Producers form the base of the food chain, providing energy to all other organisms in the ecosystem through the food they produce.

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prokaryotic cells have a single circular chromosome and a defined nucleus? true or false?

Answers

Answer:

False, it lacks a defined nucleus.

Explanation: By definition, prokaryotes lack a membrane-bound nucleus to hold their chromosomes. Prokaryotes generally have a single circular chromosome that occupies a region of the cytoplasm called a nucleoid. They also may contain small rings of double-stranded extra-chromosomal DNA called plasmids.

Answer:

False

Explanation:

Prokaryotic cells don't have a nucleus, they have a nucleoid region

Mutation please help. ​

Answers

Answer: i dont know how to do this

Explanation:

The diagram above shows how sea breezes form clouds in coastal areas. Which map below shows a cloud pattern that would most likely result from the sea breeze cycle in late afternoon? ​

Answers

Answer: Map H

Explanation:

Sea breeze cycle clouds form in an area where land and a body of water such as an ocean or sea come into contact with each other so maps G and J are not possible as these formed over land and away from any coastlines.

These clouds form over land as it is on land that the sea breeze would be warmed by the land temperature and then rise up. Map F is therefore incorrect as those clouds are over the sea.

Map H is the most plausible answer as the clouds are right over land and the area is next to the ocean.

How many chromosomes foes the nucleus of heart muscle cell contain?

Answers

Answer:

46 chromosomes

Humans have 23 pairs of chromosomes, so our hearts have 46 chromosomes.

Explanation:

Hope it helps

Answer:

46 chromosomes

most of them contain 46 chromosomes like almost all the rest of the body's cells

Match each term with its best definition.
Plutons, Sills, Injection, D*kes

Check the comments for the answer.

Answers

Answer:

hey u blocked me pliz unblock me yer

Explanation:

Answer:

across existing rock.

Which of the following are resources that individuals of different species
might compete for in an ecosystem? Check all that apply.

Answers

Answer:

I don't know what the options are but some of the following could be what organisms compete for.

- Food

- Water

- Territory

Which of the following statements is FALSE? *
The Rock Cycle is happening all the time on Earth.
Some processes of the Rock Cycle take a long time.
O All rocks were once Metamorphic Rocks.
O Most rocks on Earth are Igneous Rocks.

Answers

Answer:All rock were once metamorphic rocks

Explanation:

Melted rock deep inside Earth forms igneous rocks. Sand, silt, plant and animal skeletons make sedimentary rocks. Heat and pressure underground convert rocks into metamorphic rocks. Therefore, option (C) is correct.

What is rock cycle?

The rock cycle is a web of processes that outlines how each of the three major rock types—igneous, metamorphic, and sedimentaryform and break down based on the various applications of heat and pressure over the course of time. Igneous rocks are rocks that are formed by volcanic eruptions, while metamorphic rocks are formed when heat and pressure are applied to preexisting rocks. Shale, a type of sedimentary rock, can be transformed into slate with the use of heat and pressure, for instance.

The rock cycle is an important component of our dynamic Earth because it allows rocks to shift from one type of rock to another based on their location and circumstances. It recycles rocks to build new structures when plate tectonics changes the Earth's surface.

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A mutation is least likely to affect a cell when the mutation --

Answers

A mutation is least likely to affect a cell when the mutation is reverses the order of bases in a DNA strand. when the total number of bases in a DNA sequence remain the same. Replaces a base with its complementary base and produces a codon which codes for the same amino acid as the original codon.

A mutation is least likely to affect a cell when the mutation is silent in nature or is not associated with an exon, it is least likely to affect a cell. Any mutation that happens to the introns does not affect the cell's function.

What is the function of cells and mutation?

As genetic materials, nucleic acids encode information about the cell's structure and function, its proteins, receptors, and so on. The mRNA that is formed from the gene has roles in the formation of the receptor, the enzymes, etc., so if any mutation happens to the gene that is in the coding region, then it can show its impact, but if the mutation is of the silent type, then it has no impact on the cell.

Hence, when a mutation is silent in nature or is not associated with an exon, it is least likely to affect a cell. Any mutation that happens to the introns does not affect the cell's function.

Learn more about the mutation here.

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When the cells in the male and female parent divide, do them they form body cells or sex cells? Please explain!!!!!​

Answers

Answer:

well i kinda think they form a body cell only ...

where does diffusion take place in the nervous system?

Answers

Answer:

In diffuse systems nerve cells are disseminated all through the life form, generally underneath the external epidermal layer. Hope this helps.

Explanation:

When you look at your teacher's face, how can you see it?
0 Light reflects off of her face.
O Her face emanates light.
O Light refracțš through her face
O Her face emits electromagnetic radiation.

Answers

Answer:

0 Light reflects off of her face.

how does it make you feel to know you have likely eaten a genetically modified food?​

Answers

Kinda weird. But I have no feelings over it :)

Answer:

Feels kinda weird knowing that we are eating not organic food but modified. Tastes a bit different.

Explanation:

Which methods reduce friction? O increasing speed O lubricating surfaces O using sticky materials O increasing surface roughness​

Answers

Answer:b)lubricating surfaces

Explanation:took it on edge hope this helped

What would happen if earth had no atmosphere

Answers

Answer:

solar radiation would break atmospheric water into oxygen, which would react with carbon on the Earth to form carbon dioxide. The air would still be too thin to breathe. The lack of atmosphere would chill the Earth's surface. ... Plants and land animals would die

Explanation: rewrite it

Days would be extremely hot and nights would be extremely cold.

The energy of ultraviolet and shorter wave lengths of light is absorbed by interaction with the molecules in the atmosphere.

Explanation:
If there were no molecules in the atmosphere the high energy waves from the sun would strike the surface of the earth. The result would be that perhaps no living thing could survive.
Ozone and other molecules absorb the energy from the sun and undergo chemical reactions due to the energy absorbed.

Need answer ASAP please thanks

Answers

Answer:

rr

Explanation:

you're welcome--------

It’s white feathers because it’s asking for phenotype not genotype. Genotype is written with letters an phenotype is physical characteristics

Usable fresh surface water is relatively scarce. To many people, streams and lakes are the most visible part of the water cycle. Not only do they supply the human population, animals, and plants with the freshwater they need to survive, but they are great places for people to have fun.

Answers

Answer:

True.

Explanation:

Usable fresh surface water is scarce. Freshwater is not in excess on our planet. We can find it on lakes, lagoons, rivers, and swamps, but it is only 3% of the totality of Earth's water. The importance of this water is that it is the one that is suitable for humans, a large number of plants, and animals. This is why there are different methods to store and distribute fresh water amongst all the population and places that need it. Besides, the places where freshwater is, are great for activities, such as swimming, sailing, rafting, diving, fishing, etc.

Since freshwater is scarce and has so many uses, we must take care of it.

How does the nucleus control which proteins are made by the ribosomes?

1. It controls which genes get used.

2. It controls the number of ribosomes.

3. It controls the speed with which proteins are made.

4. It controls the order in which proteins are made.

Answers

Answer: it controls genes that get used.

Explanation:

PLEASE HELPP

diversity in a habitat represents

A. a group of the same species
B. a group of different species
C. a unicellular organism

Answers

Answer:

B. a group of different species

Explanation:

Diversity means to have variety. (In this case, a variety of species)

IF YOU WANT POINTS HERE YOU ARE!!! ANSWER THE QUESTIONS IN THE PICTURE!!!!

Answers

Answer:

13- can't see the question

14- 75%i think

15- the likelihood is 25%

16-Bb and bb

Explanation:

pictures below, hope this helps :)

2. Which of the following describes a negative feedback system?
running cattle increase panic within a herd
microphone speaker feedback
feedback that magnifies output
feedback that regulates and stabilizes

Answers

Answer:

Feedback that regulates and stabilizes

Explanation:

Negative feedback systems are ones that try to always maintain homeostasis, or a certain state.

For example, the regulation of body temperature in humans is a negative feedback loop. This is because the body maintains a constant temperature at homeostasis, and will adjust if it is too hot or cold.

Feedback that regulates and stabilizes is a negative feedback system, because it involves regulation/stabilization, similar to the regulation of body temperature.

So, the correct answer is Feedback that regulates and stabilizes

Answer:

feedback that regulates and stabilizes

Explanation:

just took test

Other Questions
How many states had applied forstatehood under the Land Ordinance of1785? in the game of economics which of the following players use goods and services Waves transfer _________________, not the _____________ with it. A ______________________ causes particles in matter to move back and forth at right angles to the direction in which the wave travels. High points in a transverse wave are called ________________. Low points are called ________________. A ________________ wave causes particles in matter to move back and forth along the same direction in which the wave travels. The places in a longitudinal wave in which the coils are squeezed together are called ______________. The places in the wave in which the coils are spread apart are called _________________. The ________________ of a transverse wave is the distance between two adjacent crests or two adjacent troughs. The _________________ of a compressional wave is the distance between two adjacent compressions or rarefactions.. The _____________ of a wave is the number of wavelengths that pass by a point each second. Frequency is measured in units of _____________. The ___________ of a wave depends on the medium in which the wave travels. To make a wavelength of rope shorter, one should shake the rope at a ____________ frequency. The speed of a wave can be found using the equation ________________. As the wavelength of a wave increases, the frequency of the wave _______________. The energy of a wave depends on its ______________________. At the height of the Roman Empire, what was the distance between the farthest point of the empire and the city of Rome? Use the scale on the map. 500 miles 1000 miles 1500 miles 2500 miles What is the circumference of the circle shown below? *WILL MARK BRAINLIEST*(20) The first year after we cleaned out the bed of the stream, the basin was bare and ugly. (21) But something strange happened. (22) By the end of the year, grass and plants that were hidden by trash began to grow. (23) Ive always loved the smell of freshly cut grass. (24) The stream began to flow after winter rains, and more animals began to wander into the area to nibble in the clean, grassy basin.(25) My brother and I went to the stream. (26) My brother was walking at a steady pace, but suddenly he stopped and held up his hand. (27) Shh, he whispered. (28) Up ahead about 10 yards, I could see a doe drinking from the creek, her head bent down. (29) I must have stepped on a dry leaf, because suddenly her ears popped up, and she looked right at us. (30) Then she sprang off into the woods.---Thomas would like to provide a better transition between the fifth paragraph (sentences 2024) and the sixth paragraph (sentences 2530). Which of the following should replace sentence 25 to achieve this goal?A) One day my brother and I hiked down the cliffs into the basin to explore the stream.B) Then my brother and I hurried to visit the stream to see the flowing water.C) After a while my brother and I decided to go hiking, and we traveled to the stream.D) In the meantime my brother and I thought it would be fun to explore the stream. please help i don't understand this 20% of what number is 30? Which equation and solution represents each situation? WDYT a mixture is? Please help which lymphoid organs atrophies with age???????a)Peyer patchesb)Thymusc)Bone marrowd)Spleenanswer plz (,) The point D(-3, 1) is reflected over the x-axis. What are the coordinates of the resulting point, D? The following statements are related to the force of a magnetic field on a current-carrying wire. Indicate whether each statement is true or false. 1) The magnetic force on the wire is independent of the direction of the current. A) True B) False 2) The force on the wire is directed perpendicular to both the wire and the magnetic field. A) True B) False 3) The force takes its largest value when the magnetic field is parallel to the wire. A) True B) False A story that includes extensive symbolism, such as George Orwell's "Animal Farm," is called an:alliterationallusionallegoryantithesis A clownfish uses a sea anemone as a safe place to live. While living there, the clownfish lures in food for the anemone. This is an example of what type of relationship? ...................answer Which detail from the passage shows how the narrator feels about the destruction of thenatural world?O The scenery was not what I had expected at all, and I stared out the window, fascinated by it.o I looked to where she was pointing, up to the left, out in a field, and my heart sank. The blacksmoke was pouring from a huge bonfire of trees.O "Well...they develop it. They plan communities with nice houses, and schools, and industrial parks.They create jobs-construction jobs, teaching jobs, civil engineering jobs-like your father's."O "No. Not too many. Not any more. This is too far north for citrus trees. Every few years they get adeep freeze that wipes them all out. Most of the citrus growers here have sold off their land todevelopers Find the geometric mean between 8 and 18. Write answer as a simplified radical. No Decimals!!!! Write in expression form:Seven times the quotient of 8 and 5 What does purified water and fluorine make? Help me??? Pleaseeeeee!?