I think it’s B I’m not sure
Explanation:
By looking at who published the source, what it was used for, when it was created/updated, and what it contained. Check for any potential bias and, if a webpage contains references or trustworthy links to other sources.
Answer:
b. Plants..................................
All living things contain carbon so an argument could be made that carbon was the basis. Or it could be oxygen because all living things in one way require oxygen to live, even plants and fish who pull oxygen from the water molecules.
The most primitive form of life is Bacteria.
C. Bacteria.