Cold air is correct answer
Carbon dioxide (CO2) makes up the vast majority of greenhouse gasemissions from the sector, but smaller amounts of methane (CH4) and nitrous oxide (N2O) are also emitted. These gases are released during the combustion of fossil fuels, such as coal, oil, and natural gas, to produce electricity.
Answer:
Lava erupts from Earth and cools.
Explanation:
The metric unit for Mass is a gram
