D- neither attribute is taking dominance so it is incomplete
The correct answer is - the release of methane from thawed permafrost.
In the past decade it has been noticed that the levels of methane are increasing in the atmosphere, and the biggest ''producer'' of this methane is the melting permafrost. There's huge amounts of methane trapped underground bellow the permafrost. But the permafrost is melting because of the global worming, so the methane is free to come out and go up in the atmosphere.
Answer:
It should be answer C.
Explanation:
The main reason to create SI units was to be able to communicate everyone's results internationally, and because we all you different units, the SI units fixed that.
Hope this helped.
