In cells, hydrogen peroxide is converted to water and oxygen through the activity of

The number of living organisms in a particular area is

What happened to rosalind franklin in 1956?

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