Genetically-different are the kind of cells made from meoisis?

Yes

Explanation: During meiosis, the chromosomes cross over, and create genetically unique cells.

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.