What implication does destruction of the stratospheric ozone layer have for earth?

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

Which of the following forest management practices is best for reestablishing areas of forest?

Which of the following explains why a tree is often used as a model to represent the principle of common descent