In the diagram below, the importance of the erupting volcano at "B" for the global carbon cycle is that
A) CO2 dissolved in magma rises with the magma and is released from solution into the atmosphere as pressures decrease, warming the Earth.
B) the heat from the erupting volcano warms the atmosphere to such an extent that it can no longer retain CO2 in it, causing it to condense and cool the Earth.
C) as the magma begins to cool when it reaches the surface, atmospheric CO2 is absorbed into it, cooling the Earth.
D) atmospheric CO2 gets drawn into the volcanic caldera as soon as the magma exits the chamber, cooling the Earth.
A) CO2 dissolved in magma rises with the magma and is released from solution into the atmosphere as pressures decrease, warming the Earth.
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