The key tech was too process information and distribution in the 20th century. <span />
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.
<span>"D. Communist Socialism" would be the best term to describe the socialist views of Karl Marx, since his primary goal during his leadership was to eliminate the class divisions in society.</span>
