Answer:
Carbon dioxide
Explanation:
Because The heart pumps the oxygen to the muscles that are doing the exercise. When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
I believe all of the above is correct.
The soda can wear away ur enamel and not brushing them can give discoloration also they can become highly sensitive to hot and cold
It's b because it's that hope I help
There are more than 3 million US cases per year