Which of the following best explains why the great plains were once known as the “great american desert”? a. in the past, travelers saw the plains from a different perspective. b. explorers had not actually seen the plains when describing it. c. the plains had a warmer climate in the past. d. tribes used the plains differently in the past than in the present.

A.

In the past, travelers saw the Plains from a different perspective.

Explanation:

just took the test and a is correct

he believed that congress would be better not dealing with "lobbyists", or people who seek to influence (a politician or public official) on an issue, since historically, they had problems with these kinds of people. he thought lobbying produces benefits, but should be carefully monitored.

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.