When will all people die

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.

Plants that have reproductive structures called cones are?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?