Which chemical damages the protective ozone layer?
O
A. Greenhouse gases
O
B. Carbon dioxide
O
C. Nitrogen
O
D. Chlorofluorocarbons

Select the best hypothesis explaining why countries may have preferred communism. communism promised jobs after the insecurities of war. communists forced the people to do what they said. communism was fueled by a dislike for democracy. communism provided economic freedom for businesses and workers.