Answer:
B
Explanation:
Im looking at my sources and it states mostly B vitamins! so hopefully this is it :) <3
Answer:
No we are not and what are you talking about?
Explanation:
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 only know it's a process of change of matter but I don't remember the exact types