Critical Reasoning (CR) | Re: Methanogensis describes the formation of methane by microbes

Will try my best.

The first two sentences are purely background information so you could skip them. The important part lies in the final one, which is also the conclusion:

"Clearly, therefore,by taking the resulting increase in methane levels in the atmosphere over the past decade and then determining how many decades of such increases it would have taken the atmosphere to reach
...

---