Which is Not a feature found on the ocean floor?

a- Rift valley
b- Trench
c- Continental shelf
d- Estuary

One gene can influence trait(s). one trait can be determined by gene(s).

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

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food