Which policy has been a cost-effective way to reduce sulfur dioxide emissions? a) enacting cap-and-trade legislation b) implementing scrubber technology on all power plants c) burning high-sulfur coal d) banning the emissions of sulfur dioxide entirely

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

All eukaryotic cells contain small bodies called

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.