Which substance is a solid?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

In this experiment, the was intentionally manipulated. it is the independent variable. the dependent variables that were measured were the

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