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

Example input: In spite of this reduced heat input, the surface temperature of Venus is higher than that of the Earth.
Example output: Venus has a warmer average surface temperature than earth.
Example explanation: Output statement supports the input statement's claim about the temperatures of Venus being higher than the earth.
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.