Given a scientific question, generate an incorrect answer to the given question. The incorrect answer should be a plausible alternative to the correct answer. The answer should be some other item belonging to the same category as the correct answer but should be incorrect.

Input: Consider Input: What element once commonly used in paint and gasoline has now been found to have dangerous effects?

Output: plastic

Input: Consider Input: Where do the steps in the water cycle begin?

Output: rivers

Input: Consider Input: Co 2 , h 2 o, methane, o 3 , nitrous oxides (no and no 2 ), and chlorofluorocarbons (cfcs) are known as what type of gases?
Output: chemical gases