In order to maximize the chances that experimental groups represent the population of interest, researchers should conduct and .

Moderate climates are located in regions. a. coastal b. interior c. mountain d. polar select the best answer from the choices provided a b c d

Which committee is considered the most powerful in all of congress? a. committee on armed services b. committee on foreign affairs c. committee on ways and means d. committee on the judiciary select the best answer from the choices provided a b c d

Match the following definitions with your vocabulary words. 1. recall; cancel assess 2. to evaluate and set the amount of a tax president pro tempore 3. ruling; overseeing contender 4. a political competitor repeal 5. presiding officer of the senate whenever the vice president is not present consent 6. to agree or accept presiding