Why are carbon dioxide concentrations expected to increase?
a. carbon dioxide concentrations are expected to increase, because fossil fuel burring is expected to
increase,
b, carbon dioxide concentrations are expected to increase, because of an increase in agriculture,
e, carbon dioxide concentrations are expected to increase, because more land will have to be deared
for increasing populations and agricultural use,
d. all of the above
select the best answer from the choices provided
оа
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