Question 4 What is responsible for the heat energy within the global oceans?

Plate tectonics
The magnetic field
The core
The Sun

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Common commercial benefits of microorganisms include synthesis ofa. insulin.b. antibiotics.c. aspirin.d. antibiotics and aspirin.e. antibiotics and insulin.

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