It is gotten from the atmosphere by respiration, burning of fossil fuel, decay, excretion and decomposition of organic matter, fossilization etc
I think it's first quater, hope that helped!
Answer:
ANTS
Explanation:
Is this right? Hope it is
Answer:
Reptiles have scales, and their skin is dry. Amphibians do not, and their skin is often moist with mucus, which keeps them from drying up.