What is the difference between h2 and h2o

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

Pl which diagram illustrates prophase?

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