Solve the equation : y+5=29

What type of specimens where you able to see under each of the microscopes in the microscope activity

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

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