How is the current trend of climate change different from previous cycles? a. the temperatures are much higher. b. the temperatures are changing more slowly. c. the temperatures are dropping more quickly. d. the temperatures are not changing as much.

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