Animals store most of their excess energy reserves as and this is explained because a) glucose; it is easy to break down. b) fat; they store twice as much energy per gram. c) protein; it is a compact source of energy in their bodies. d) carbohydrates; they store twice as much energy per gram of glucose.

Which of the following was a key accomplishment of the people of songhai? a. they had a strong military and became the largest empire in west africa. b. they established a center of islamic scholarship. c. they worked with iron and prospered from the gold-salt trade. d. they dominated in the trade of ivory, enslaved people, and animal skins.

Which technological breakthrough of the 1950s revolutionized the way that americans kept up with news and world events? a) radio b) internet c) television d) motion pictures

Recently, there has been pressure to loosen clean air standards. use economic arguments to support or oppose this proposed action.