Brainliest answer if correct which statement best describes the methane emissions since 1978? methane emissions have stayed very consistent, not much change at all methane emissions have peaks and valleys, some years they are up real high and then they take a big dip. methane emissions are showing a decline over the years methane emissions are consistently rising at a fairly steady rate

Option (4)

Explanation: Methane (CH4) is one of the green house gas which is about 0.00017% by volume at present.

                   With the increasing number of factories and the industries, a noticeable amount of methane has been released to the atmosphere so far, and they have the ability to exist in the atmosphere for about 10-12 years. It can also be reduced when undergoes chemical reaction in the atmosphere.

Hence, the correct option here is (4)

the answer to you question is   jet streams

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.