It is hard to name on that is responsible for all but polution has a large impact on our daily life,hope this helped
From the information given, we can determine that the organism's genotype is:
Nn (heterozygous dominant, aka one dominant allele and one recessive one)
Phenotype refers to how the genotype manifests in the organism, and since a dominant allele overrides the recessive one, the phenotype must be 'Big Nose' for this organism.
Answer: D. About half of the offspring will have purple flowers, and about half of the offspring will
have white flowers,
Explanation: Purple flower is dominant over white flower, therefore a cross between Pw and ww will produce four offsprings, fifty percent of which will have purple flowers and the other fifty percent will have white flowers. The genotypes of the offsprings are Pw and ww. Pw will manifest outwardly as purple flowers while ww will manifest outwardly as white flowers.
See attached completed punnett square
Human activities such as Smog and Greenhouse gas can weaken the Earth's atmosphere allowing the suns rays to be more powerful when passing through the Atmosphere.
<span>Cyanosis alludes to somewhat blue staining of skin, nail informal lodging layers. Ordinarily, hemoglobin conveys the majority of the oxygen in the blood. This oxygen conveying limit of hemoglobin in the blood is called oxygen saturation.</span>