Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Input: Consider Input: Question: Where is the pressure of gases in the atmosphere at its greatest? Answer: sea level

Output: The pressure of gases in the atmosphere is greatest at sea level and decreases rapidly as altitude increases.

Input: Consider Input: Question: What are the highest clouds in the atmosphere? Answer: noctilucent clouds

Output: Noctilucent clouds are the highest clouds in the atmosphere.

Input: Consider Input: Question: What do you call plastids that contain the green pigment chlorophyll? Answer: chloroplasts
Output: Chloroplasts are plastids that contain the green pigment chlorophyll. They capture light energy from the sun and use it to make food. A chloroplast is shown in Figure above .