Answer:
Newly designed home refrigerators use Freon as a refrigerant.
Explanation:
The substance used in refrigerators is called refrigerant. Since the 1930s, freon gas has been used, but because it is a chlorofluorocarbon (CFC), which affects the ozone layer of the atmosphere, an international agreement has proposed replacing it with other substances that do not produce such a drawback.
It freed Cuba, gave americans something to consider, and gave practice for the army and navy
Yeah it's B. The Pentagon papers were leaked and showed that the US was involved with the Vietnam war far longer than the public thought.
Answer:
A, C, C, D
Explanation:
I did these questions for school already :)
<em><u>I hope this helps you!</u></em>
<em><u>-Keaira Dickson</u></em>
Answer:lack of food??????????????????????????????????????????????????????????????????????
Explanation: