Answer:
C) bubbles or fizz occurs
Explanation:
Chem. Change:
-energy is absorbed or released (temperature changes-hotter or colder), color changes, Gas production (bubbling, fizzing, or odor change; smoke).
-Formation of a Precipitate - a solid that separates from solution (won't dissolve)
-Irreversibility - not easily reversed.
Question:
Explain what monsoons are, where they are often found and what impact they have on
You must use complete sentences when answering this question
emironmemt
Answer:
i have this question too
Explanation:
How are catastrophic events related to changes in geological timelines?
A. They aren't related to changes in the geological timeline because they don't change the
overall population dynamics.
B. They aren't related to changes in the geological timeline because the timeline is dictated
by temperature cycles.
C. They cause significant changes that disrupt the equilibrium of the earth and lead to
natural separation points.
D. They define geological periods because scientists use them as reference points for
tracking the history of the earth.
PLEASE ONLY ANSWER IF YOU KNOW-
Answer:
D. They define geological periods because scientists use them as reference points for tracking the history of the earth.
Explanation:
Catastrophic events related to changes in geological timeline are very useful in defining geological periods.
These events have very significant appearance in the geological record and can be used to determine the history of the earth.
The catastrophic events usually culminates into extinction cycles or termination of some organisms from the earth surface.
Geologists use these events that are often wide spread to delineate geological periods.
How does melting glaciers affect the water cycle
Answer:
According to the National Snow and Ice Data Center (NSIDC), if all glaciers melted today the seas would rise about 230 feet (70 meters). During the last ice age (when glaciers covered more land area than today) the sea level was about 400 feet (122 meters) lower than it is today.
Explanation:
Not too sure and don't wanna get it wrong
The jellylike substance that holds everything in place inside all cells is called the....
Answer:
Cytoplasm
Explanation:
Answer:
Cytoplasm
Explanation:
Cytoplasm is the semi fluid gel like substance of a cell that is present within the cellular membranes and surrounds the nucleus.
(I need help on math so pls lmk if your willing to help)
Which of these is one characteristic of topographic maps? A mountain peak. B location of a ravine. C steepness of a slope. D distance between two areas.
Steepness of a slope (C) is one characteristic of topographic maps.
"The more closely spaced the contour lines, the steeper the slope. You can find out exactly how steep the slope of the area you are interested in by subtracting the lowest elevation from the highest, and dividing the result by the horizontal distance."
If there is plenty of sunshine and rain for producers to grow and increase in numbers, which of the following will result?
I. Increase in 1st Level Consumers
II. Increase in 2nd Level Consumers
III. Increase in Biodiversity
beautiful clownfish named Bozo, a common salt water fish. Zara already has a tank with goldfish at home. Use your knowledge of diffusion & osmosis to tell Zara how to take care of Bozo.
Answer:
See the answer below
Explanation:
Zara should keep the clownfish and the goldfish in separate tanks - the goldfish in a freshwater tank and the clownfish in a salt water tank.
If the goldfish is kept in a salt water tank instead of freshwater, it may die due to dehydration because the salt water would be hypertonic to the cells of the fish. Water would move osmotically from the cells of the fish into the surrounding water and the fish may eventually die due to dehydration.
If the clownfish is kept in freshwater instead of salt water, it may die due to excessive water. The freshwater would be hypotonic to the cells of the fish and water would move osmotically from the surrounding water into the cells of the fish. Eventually, the cells would become turgid and may start lysing, leading to the death of the fish.
If a crocodile encountered a pod of dolphins in the sea, what would happen?
Answer:
The thing that would most likely happen is that the dolphins would be attacked.
Explanation:
how much does Biomass cost?
Answer:
In the United States, direct combustion is the most common method of producing heat from biomass. Small-scale biomass electric plants have installed costs of $3,000 to $4,000 per kW, and a levelized cost of energy of $0.8 to $0.15 per kilowatt hour (kWh).
Explanation:
i got this off of a website dont report mhe
Answer:
3,000 to $4,000 per kW
Explanation:
please help me i'll give brianliestttt
Its b mark my word trust me
Which is a reactant in the Calvin cycle?
A. Glucose
B. Oxygen
C. Carbon dioxide
D. Water
The reactant of the Calvin cycle is the carbon dioxide that is present in Option C, and the product of the Calvin cycle is glucose. The Calvin cycle takes place during the photosynthetic reaction.
What is the role of photosynthesis?Photosynthesis is a process in which the plant plays an important role, such as when the plant absorbs the sun's light, water, and carbon dioxide and then produces oxygen and glucose by combining all of these elements; thus, glucose and oxygen are the products, and water and carbon dioxide are the reactants. The water is used in the light-dependent reaction and converted into oxygen as a product, while in the case of the Calvin cycle or the light-independent reaction, carbon dioxide is used as the reactant and the product that is formed is glucose.
Hence, the reactant of the Calvin cycle is the carbon dioxide that is present in Option C.
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Michaela spend the day at the lake with some friends. She spends some time exploring the lake as she looks around she notices that there are plants only in certain areas where would she see plants growing? Why?
Answer:
She would mostly see plants grow around the banks of the lake. In addition, she might see some plants growing in the lake. The plants are majorly aquatic plants. The ones on the banks are emergent plants because their roots are submerged in water and their foliage is above water. They grow on the shores because it shallow there. Free-floating aquatic plants may grow in the lake because they are suspended on the water surface with their roots just floating underneath the water surface.
Describe the carbon atom:
O A clump of carbon
O A sole carbon particle
(choose one and explain it)
Explanation:
1.(from Latin: carbo "coal") is a chemical element with the symbol C and atomic number6. It is nonmetallic and tetravalent—making fourelectrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table.[13] Carbon makes up only about 0.025 percent of Earth's crust.[14] Three isotopesoccur naturally, 12C and 13C being stable, while14C is a radionuclide, decaying with a half-lifeof about 5,730 years.[15] Carbon is one of thefew elements known since antiquity.[16]
2.
Yogurt,cheese, and other foods are produced through alcoholic fermentation. True or false?
True these are both examples of food produced through alcoholic fermentation.
What is Alcoholic fermentation?
The chemical reaction that produces alcohol is known as alcoholic fermentation. In essence, beer, wine, sake, and cider all begin with yeast eating a type of sugar, which is the basis for this process.
Even hard liquors, such as your preferred tequila, begin with a straightforward alcoholic fermentation.
Alcoholic fermentation produces three primary byproducts. Alcohol, which has historically been a crucial component of beer, wine, and hard cider, is one of them, which is not surprising.
Therefore, True these are both examples of food produced through alcoholic fermentation.
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Which of the following eat producer organisms in a food chain?
A. quarternary consumer
B. tertiary consumer
C. primary consumer
D. secondary consumer
Answer:
a
Explanation:
quarternary consumer
help please TvT. Which one is it?
Answer:
a
Explanation:guess
Answer:
its A
Explanation:
some bacteria help to digest food, destroy disease-causing cells, and give the body needed vitamins. Bacteria are also used in making healthy foods like yogurt and cheese. But infectious bacteria can make you ill.
Hydrogen peroxide naturally breaks down into oxygen and water over time. When exposed to the enzyme catalase, hydrogen peroxide is rapidly converted into oxygen and water.
What feature of catalase most likely is responsible for the change in the rate of conversion of hydrogen peroxide into water and oxygen?
A, Catalase speeds up the conversion of hydrogen peroxide into water and oxygen by decreasing the reaction's activation energy.
B, Catalase bonds permanently with the reactants causing hydrogen peroxide to rapidly break down by increasing the activation energy.
C ,Catalase has a flexible structure that allows it to bind and convert any small hydrogen containing compound into water and oxygen.
D, Catalase remains intact, so small amounts of it convert large amounts of hydrogen peroxide into water and oxygen immediately.
Answer:
Catalase is an enzyme in the liver that breaks down harmful hydrogen peroxide into oxygen and water. When this reaction occurs, oxygen gas bubbles escape and create foam. Completely disinfect any surface that the raw liver touches during this activit.
Explanation:
hope this helps you a little have a great day sir/mam
Catalase speeds up the conversion of hydrogen peroxide into water and oxygen by decreasing the reaction's activation energy. Thus option A is correct.
What is the function of catalase ?Catalase is a common enzyme present in all living organisms.
These are tetramer molecule consisting of four polypeptide chains, each of these chains are over 500 amino acids.
In mammal it is found in liver and contains four iron-containing heme groups that allow the enzyme to react with hydrogen peroxide.
In mammalian cell, Catalase involve in decomposition of most toxic substance called hydrogen peroxide into less toxic products like water and oxygen.
It protect the cell from oxidative damage by reactive oxygen species.
The optimum pH and optimum temperature for the activity of this enzyme ranges from four and eleven depending on the species.
Thus option A is correct.
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The researchers predicted that for any particular concentration of substrate, the C. Aurantiacus enolase catalyzedreaction is more rapid at 55 C. Than at 37 C. Provide reasoning to justify the researchers prediction.
Answer:
It's justified because an increase in temperature will lead to increase in the enzyme catalyzed reaction
Explanation:
Now, as the temperature is increasing, the kinetic energy of molecules will also be increasing and this implies that the collision between the substrate and enzyme will increase i.e substrate that's attached to its appropriate active site of enzyme that results in an increase in reaction.
However, if the temperature is too high, it can cause the enzymatic activity to denature.
In summary, when talking about catalyzed reactions, an increase in temperature will cause the bond between molecules to loosen and this results in catalyzation.
HELP ASAP PLEASE!! DUE IN 10 MINUTES !!! based on these results which statement correctly predicts what will happen to red blood cells when they are placed in a beaker containing a water solution in which the salt concentration is much higher than the salt concentration in the red blood cells
A:the red blood cells will absorb water and increase in size
B:the red blood cells will lose water and decrease in size
C:red blood cells will of first absorb water than lose water and maintain their normal size
D:the red blood cells will first lose water then absorb water and finally double in size
Answer:
The correct answer is - option B. the red blood cells will lose water and decrease in size.
Explanation:
The movement of the water takes place always from the high concentration region of solute to the low concentration of solute through a semi-permeable membrane. In this case, the representation is showing that placing the cell inside a solution with low concentration solute than the cell makes the cell increase the size, and placing it in a solution high concentration of solute makes it decrease in size due to the transfer of water from more water to the low water area.
Now placing the RBC in a solution with more salt concentration than the cell makes the solution hypertonic which means the solution has more solute concentration and less water so the water move from cell to the solution and cell will shrink and decrease in size.
Requires the use of energy to molecules.
Diffusion
Osmosis
Active transport
Newton's first law of motion states that an object will remain in motion in a straight line unless compelled to change direction by an external force.
Explain why satellites launched into orbit do not continue moving in a straight line. Make a connection between satellites and planets.
Explanation:
When satellites are launched into orbit, they are able to orbit around planets due to the gravitational force of attraction between the satellite and planet (usually there is no apparent change in motion of the planet because of its relative huge size than the satellite)
This gravitational force is in a different direction than the satellite's motion, therefore it keeps it orbiting around planets and does not continue moving in a straight line.
During DNA replication, a complementary strand of DNA is made for each original DNA strand. Thus if a portion of the original strand is tcga actca, then the new strand will be
Answer:
agcttgagt
Explanation:
DNA is a double helix molecule composed of two complementary DNA strands which are in turn composed of four different nucleotide bases: Adenine (A), Guanine (G), Cytosine (C) and Thymine (T). In the DNA molecule, G and C are bound together as a base pair, while A and T are bound together as another base pair. This complementary base pairing structure means that both DNA strands are complementary to each other. In this case, since the sequence of one strand is "TCGAACTCA", the complementary DNA strand would have the sequence "AGCTTGAGT".
An example of two organisms living
together is...
A. a bird gliding on wind currents.
B. a flower opening in the morning.
C. a dandelion growing in your lawn.
Answer:
c
i think
Explanation:
The passing of traits from parents to offspring.
A.
Genetics
B.
Replication
C.
Gene Expression
D.
Inheritance
Explanation:
The passing of traits from parents to offspring is Inheritance (D).
The allele for a widow's peak has complete dominance over the allele for a straight hairline (w). What is the probability of two parents heterogeneous for a widow's peak (Ww) having an offspring without a widow's peak?
What are the lines in leaves
Answer:
Veins – The blackish lines in the leaf blade are called veins. The largest black line is the leaf's single “midvein,” running from the petiole to the leaf tip, the smaller blackish lines branching off the midvein are “secondary veins”
help???????????????????
Answer:
C
Explanation:
sorry if im wrong, looking at it from this angle is throwing me off... Anyways hope this helps
what are the possible blood types of a child whose parents are both heterozygous for b blood type
Answer:
I believe the answer is:
If both are BB, the child will be BB. If one is BB and one is BO, the child has a 50% chance of being BB and 50% chance of being BO - both of which result in type B. However, if both parents are BO, there is a 25% chance of BB, a 50% chance of BO, and a 25% chance of OO (which results in type O).
Which correctly lists three factors that contribute to weathering of rock?
O ice, water wind
O layers, minerals, water
Ominerals, water, ice
O water, minerals, wind