Answer:
I believe the answer is Chromosomes.
Explanation:
Answer:
Plant eat CO2 and make O2. Human eat O2 and make CO2.
Explanation:
facts
Answer:
The presence of ozone enabled organisms to develop and live on the land. Ozone played a significant role in the evolution of life on Earth, and allows life as we presently know it to exist. These atoms combined with remaining oxygen (O2) to form ozone (O3) molecules, which are very effective at absorbing UV rays which could be injurious to organism existence
Explanation:
