Which of the following groups of people be the least affected by air pollution?

The group which would be the least affected by air pollution are C. teenagers. This is because their respiratory systems have already been established and are quite strong because they are still young and healthy. People with asthma already have troubles breathing, so obviously air pollution is going to be a problem.

Explanation:

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the answer to your question is:

c. complementary base-pairing

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