There were twelve elephants in the clearing.
Biology

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

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

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