The use of chlorofluorocarbons (CFCs) have been banned by many countries because CFCs

increase electricity bills

reduce the lifespan of refrigerators

are ozone-depleting substances (ODS)

have an odor

What was an important effect of the battle of saratoga on the revolutionary war?

This was the portion of the trans-Atlantic trade were slaves were brought from Africa to the Americas on a brutal, grueling journey.

In 1979, the National Commission for the protection of Humans Subjects of Biomedical and Behavioral Research developed ethical principles and guidelines for the protection of human subjects for research. The purpose of these guidelines was to:

Why did the United States begin pursuing a policy of détente?

What is the fractional number needed in each house to propose an amendment?

Which of the following was not the name of a bar that served alcohol illegally? A) speakeasy B) wet rabbit C) jinny D) juice joint

24. Who was involved with cleopatra VII that was defeated by Octavian? Down

14. What impact did the Vietnam War have on the American people? A. Americans were now more trusting of their leaders. B. Americans became more willing to support the use of military force overseas. C.

The act of being responsible for a behavior is known as what? A. Liability B. Causation C. harm D. concurrence

Which law required immigrants to be able to read and write? The Chinese Exclusion Act The Immigration Act of 1917 The Emergency Quota Act The Johnson-Reed Immigration Act