Which is the best definition for density? a. the amount of space an object takes up. b. the amount of mass in a given space. c. the measure of the force of gravity on an object.

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

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks