C. Hinge is the correct answer your welcome
In the greenhouse effect, the Earth's atmosphere<span> acts </span>like<span> greenhouse gases
that warms the earth. ... </span>Certain gases in the atmosphere<span>, </span>like carbon dioxide<span>, </span>nitrous oxide, and methane<span>, </span>absorb heat and prevent it from escaping into space<span>.</span>
Answer:
B. it relaxes
Explanation:
Antagonisms. one muscle contract while the opposite one relaxes to carry out an action.