Cells are the basic unit of structure and function in organisms.
Needless to say, organisms can’t be a thing if cells didn’t exist.
The large-scale ocean-atmosphere climate interaction linked to a periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific is what is used to describe an El Niño, so I’m guessing this is what is associated with it.
The answer would be A. Methane
My answer is A i hope this really helps u!