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:
d
Explanation:
you can find unadvertised jobs
B. It uses closed paddles instead of stringed racquets
Answer:
A.) Your peers
Explanation:
The library would help, your health care provider would help, and your parents or a trusted adult would help, but your peers probably wouldn't.
C. lean into the stretch as you exhale.