Sorry for the other guy. He was rude. Here's the answer:
Animals excrete CO2 by cellular respiration. Since any living things besides plants can't break down CO2, it just gets put back into the environment. I hope I helped you :)
Most important thing is that you should have a perfect sense of your environment observe it yet study it.
Biology is a 'scientific nature '.
LIVE IT. SENSE IT. FEEL IT.
The planets revolve around the Sun making it form a disk
<span>Mucous Connective Tissue.</span>
Answer:
D
Explanation:
Run off is where the water runs off into lakes, creeks, storm drains, ext.