Alarge amount of algae in a lake is a result of: a. global warming b. rain forest destruction c. phosphate and nitrogen pollution d. a decrease in the number of decomposers

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

Explain how scientists use geologic time to determine the age of landforms.

Which organism can most likely be classifild as domain bateria