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)

c. live where it’s cold and icy

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.