Question

Please marked questions

Answer 1

1 Natural gas is the cleanest burning fossil fuel. Because the combustion process for natural gas is almost perfect, very few byproducts are emitted into the atmosphere as pollutants. Also, with the introduction of new technologies, nitrogen oxide, a pollutant targeted by the Clean Air Act can be significantly reduced.
2.(a) rapid increase in population growth and;

(b) development in the field of science and technology.more new developed gadges need more energy to work.

Answer 2

5) Natural gas is lot in earth. They are produced time by time but it take many time.

6) This is because of increase in population.