Answer is D.
you can learn A,B, and C from examining fossils
Answer:
The answer is autotrophs
Explanation:
During the early days of the Earths life there was no oxygen but there was plenty of CO2 which the autotrophs took and used as food while discarding the excess which was the oxygen.
Oceans will increase in temperature due to global warming. This will adversely effect cold water species such as the humpback whale and increase the territory of larger warm water predetors like sharks.
Answer:
ATI ProMag Archangel
Explanation:
The ATI stork is very kind of terrible
Answer:
C. What quantites of nonrenewable resources are used to make a paper grocery bag?
Explanation: