Answer:
What is this off of, can you give me more information so I can help you
Explanation:
Cystic fibrosis affects more than 200,000 people in the United States so false.
Answer:
As the sweat evaporates off your skin, you cool down. Sweat is a great cooling system.
Explanation:
Answer:
plants
Explanation:
all green life gives us oxygen, and in turn we give c02 or carbon dioxide