In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Input: Consider Input: Question: Leo notices a large amount of stored glucose in his cell. Ray notices zero stored glucose in his cell. Whose cell likely underwent more photosynthesis?
Answer: Leo

Output: As photosynthesis increases, the amount of stored glucose in the guard cells increases.

Input: Consider Input: Question: If Mona shines a light through both wool and cotton and determines that cotton is more dense then wool, which material will the light move faster through?
Answer: wool

Output: The more dense the medium, the slower the light moves.

Input: Consider Input: Question: Which planet does the sun have the most gravity effect on?
Answer: Mercury
Output: The Moon has a greater effect on the tides because, although it is much smaller than the Sun, it is much closer.