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:
:(PART 2)Take a rest.Wear the appropriate safety equipment. Muscles must be built up. Increase your adaptability. Use the proper approach. Take a rest. Take safety precautions. It is never a smart idea to play through pain.
:(PART 1) Take these steps to get back on your feet if you suspect you've suffered a concussion: Seek the advice of a concussion expert. The first step after a traumatic brain injury is to see a doctor.Rest and relax.Patience is required. Keep yourself hydrated and eat well. Electronics should be avoided. Consult a physical therapist. Slowly Resuming your normal schedule is a good idea.
Explanation:
I hope that Explains it
<span>b. They release oxygen that organisms use to breathe.</span>
B I hope this helps you your welcome hope it helps
Answer:i believe it is b or d
Explanation:sorry if wrong