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: Hair and nails are made of what? Answer: keratin
answer:
Hair and nails are made of keratin, a tough protein.

question:
Question: Living things get energy from food in a process called respiration, which releases what gas back into the atmosphere? Answer: carbon dioxide
answer:
Carbon doesn't stop there. Living things get energy from food in a process called respiration. This releases carbon dioxide back into the atmosphere. The cycle then repeats.

question:
Question: An experiment generates what to support a hypothesis? Answer: evidence
answer:
A field goal kicker lines up to kick a 44 yard (40 m) field goal. He kicks it with an initial velocity of 22 m/s at an angle of . The field goal posts are 3 meters high. Does he make the field goal?.