Author Question: Although many processes are involved, clearly combustion of fossil fuels is the most important ... (Read 84 times)

maegan_martin · **on:** Jul 14, 2018

Although many processes are involved, clearly combustion of fossil fuels is the most important factor driving the global increase in atmospheric CO2 and thus global warming.

Indicate whether the statement is true or false.

Question 2

The total amount of carbon in the atmosphere increases by about 8.1 gigatons (Gt) of carbon per year.

Indicate whether the statement is true or false.