instruction:
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.
question:
Question: Green cyanobacteria on a lake produce food through what process? Answer: photosynthesis
answer:
Green cyanobacteria on a lake make food by photosynthesis.

question:
Question: The lungs, kidneys, skin, and large intestine are all part of what organ system? Answer: excretory
answer:
Organs of the excretory system include the kidneys, large intestine, skin, and lungs.

question:
Question: What can destroy living cells, produce mutations and cause cancer? Answer: gamma rays
answer:
Gamma rays can destroy living cells, produce mutations, and cause cancer. They can be used to treat cancer by focusing the deadly rays on cancer cells.