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.

Example Input: Natural gas is often found along with what other fossil fuels in underground deposits?
Example Output: methane and oil

Example Input: Light emitted by atoms is polychromaticcontaining more than one of these?
Example Output: gravity

Example Input: In gas exchange, oxygen flows into the blood, and what flows out?
Example Output:
naturally dioxide