In 2012, total 9.7 GtC was released into the atmosphere, including fossil fuel emissions, cement production, and land use. What percentage of this release was absorbed by the Ocean

The United States gets 81% of its total energy from oil, coal, and natural gas, all of which are fossil fuels. We depend on those fuels to heat our homes, run our vehicles, power industry and manufacturing, and provide us with electricity.

Explanation:

c, this answer is productivity.