The Dream Horse
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Carbon dioxide can be introduced into the atmosphere by:
a. volcanic eruptions
b. combustion of fossil fuels
c. dissolution of carbonates
d. all of the above.
e. gold mining
Please explain your answer. Thanks.
a. volcanic eruptions
b. combustion of fossil fuels
c. dissolution of carbonates
d. all of the above.
e. gold mining
Please explain your answer. Thanks.