How are electrons distributed around the nucleus?

In layers of orbits around the nucleus. The first orbit is two electrons and the rest are 8 electrons each except the last orbit which are the valence electrons.

Explanation:

it would lead to upper respiratory infections and pneumonia.

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.