You are given a sentence and your task is to generate another sentence that supports the given input.

[Q]: Ocean acidification is a lowered pH of ocean waters caused by increased carbon dioxide emissions into the atmosphere, which results in more CO2 dissolving into the ocean.
[A]: Ocean acidification occurs when excess carbon dioxide in the atmosphere causes the oceans to become acidic.

[Q]: The life cycle of all plants is complex because it is characterized by alternation of generations.
[A]: The life cycle of plants is so complex because of the alternation of generation.

[Q]: As the centripetal force acts upon an object moving in a circle at constant speed, the force always acts inward as the velocity of the object is directed tangent to the circle.
[A]:
Centripetal forces cause objects to turn around continuously in a circle.