CHON is a mnemonic acronym for the four most common elements in living organisms: carbon, hydrogen, oxygen, and nitrogen.
Hope this helps
It must be C, at the Pacific Ocean
II and III only. The fungus is a heterotroph, since it's not making it's own food, but it's also a Saprotroph (since it externally digests dead organic materials; saprotrophs are a special subset of heterotrophs).
Isobutanol is what can be produced by Cyanobacteria.
It is the process by which an organism produces offspring
The two types are sexual and asexual