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Answer:
Industry data show that 59% of HFC 134a ever produced has already been release into the atmosphere (along with 80% of the main HCFC in the market, HCFC 22). According to recent investigations, about 60% of HFC<u> emissions arise from routine leaks from refrigeration and air conditioning.</u>
Explanation:
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<span>C. The DNA strand is used as a template for which a complementary RNA strand can be produced. </span>