Explain the role of plants in water, oxygen, nitrogen, and carbon cycles.

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

The model illustrates a process by which a substance is taken up by a cell

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature above 37 degrees celsius (98.6 degrees f)? describe what might happen if the temperature decreased by 10 degrees celsius.