The two major sets of reactions involved in photosynthesis are a. light reactions and the electron transport chain. b. light reactions and calvin cycle reactions. c. glycolysis and the citric acid cycle. d. calvin cycle reactions and citric acid cycles.

What is the cause hearing loss in human being

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

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