What is the similarity between a fjord and a gully? (5 points) Both are formed by glaciers. Both are formed by rivers and streams. They are examples of erosion by water in different forms. They are examples of erosion and deposition by strong winds.

How are the testes and ovaries similar? a. both produce sex cells. b. both connect internal reproductive organs to the exterior. c. both transport sex cells from their site of production. d. both store mature sex cells.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

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