Which part of the electromagnetic spectrum causes sunburn in humans?

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.

List two modern organisms that have pentameral symmetry

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