Why do xerophytic plants not have leaves​

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

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