What is the relationship between plate tectonics and continental drift?

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

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

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia