Which human activity contributes the MOST Carbon dioxide to the atmosphere? A. Fishing
B. Breathing
C. Burning Fossil Fuels
D. i Farming

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.

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.