Q: Many plants go dormant during the \nOptions:\n- (A) heat or cold\n- (B) earth's revolving\n- (C) autumnal equinox\n- (D) colder and wetter\n- (E) It helps them survive\n- (F) cloudy and rainy weather\n- (G) Plant growth is reduced\n- (H) fire conditions
Let's think step by step below.

User
Many plants respond to the days growing shorter in the fall by going dormant. After the autumnal equinox, days gradually shorten in the Northern Hemisphere. Many plants respond to the autumnal equinox by going dormant.
Thus, the answer is (C).
Assistant