On what page does the glossary begin? What glossary is online ? (Science McGraw hill book treasure hunt)

All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time

Aprocedure done under controlled conditions to test a hypothesis is an inquiry.

49 ! how are energy cycles and growth cycles related?