Help plzz Enzymes remain
during a chemical reaction.
O unchanged
O denatured
O stuck
O changed

What is histamine and what is its role in allergic reactions

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?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.