Question

4. What 2 power sources causes the most pollution?

nuclear and coal
oil and coal
oil and hydroelectricity
coal and gas

Answer 1

Oil and Coal

Step-by-step explanation:

Answer 2

Coal produces more pollution than any other energy source.

Step-by-step explanation:

Coal combustion releases the greenhouse gases carbon dioxide (CO2) and nitrous oxide (N2O) during combustion. Coal-fired power plants release more greenhouse gases per unit of energy produced than any other electricity source (1).