Water enters the outermost cell of the root by osmosis. What does this tell us about the cell sap of these outermost cells

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

Approximately what wavelength of light is best absorbed by chlorophyll a

The open ocean of any depth is called the