Earth’s axis passes through the north and south poles. it takes earth 24 hours to rotate once around its axis. earth revolves once around the sun in _ days during a non-leap year.

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

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis