Waxes are lipids
A wax is a simple lipid which is an ester of a long-chain alcohol and a fatty acid. The alcohol may contain from 12-32 carbon atoms. Waxes are found in nature as coatings on leaves and stems.
So 200/25 is equal to 8, and because of that, the plot has 8 weeds per square kilometer.
it's rather going to be A or B, and I think it's A