Answer:
that's very broad, is that the whole question?
Geologic time is divided into units based upon types fossils found in each area .
I hope that's help !
Answer:
Explanation:
The reservoirs are the atmosphere, the terrestrial biosphere (which usually includes freshwater systems and non-living organic material, such as soil carbon), the oceans (which includes dissolved inorganic carbon and living and non-living marine biota), and the sediments (which includes fossil fuels).
