I think the answer is D) Precipitation. Hope this helps!! Please mark me Brainiliest!!
Permian-Triassic extinction
Answer:
Two proteins that are present inside the same cell perform different functions because both proteins have different amino acid composition.
Explanation:
Amino acid is the building blocks of protein. Different proteins perform different functions due to their composition. These proteins are formed by the instructions given to the ribosome of the cell.
They are both important because mechanical has to do with physical - cause mechanical means physical, so chewing your mouth is physical (you break your food into smaller pieces physically). And then chemical digestion is when food and saliva mix together. They happen when breaking down food into nutrients - enzymes. Enzymes are important for that process, because they make a nutrient.
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Answer:
Soil is composed of small pieces of a variety of materials, so it is a heterogeneous mixture.
Explanation: