The coating and paint generation methods can produce harmful air pollutants, as it comprises heavy metals. The mixing and cleaning steps can emit some types of toxic air components and volatile organic compound or VOC into the atmosphere.
The most dangerous harmful environment affected due to paints till the time is the discharge of VOCs during the process of drying, that is, after the coating is applied.
I think the answer is B; that’s assuming that the other allele of the heterozygous brown eyed man is coding for blue eyes. If it’s not then my answers wrong. Tell me if you don’t understand or you need a step by step explaination