Please help me out. u will get 18 points if u do and thank you so much if u help out:)

i think it would be A

hope that helped! :)

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

that is true   : ) hope this you