Answer: Exhaled air consists of 78 percent nitrogen, 16 percent oxygen, 4 percent carbon dioxide and potentially thousands of other compounds.
Explanation: Does this help???
Answer:
32 percent
Explanation:
I'm not too sure but I think its correct
Answer:
Ride a bicycle.
Go for a walk.
Meet a friend for lunch.
Read a book
Play a board game.
Attend an exercise class.
Organize old photos, albums or books.
Cook dinner.
Bake cookies.
Binge a few episodes of a favorite TV show.
Call a friend you haven’t spoken to in a while.
Take a nap.
Go to the movies.
Answer:
False
Explanation:
it is a bacterium or virus that causes disease