Mount st. helens was a cone-shaped mountain that formed when molten material reached the surface of earth and formed layers. cone-shaped mountains form as a result of which one of these events?

a
hurricanes

b
earthquakes

c
volcanic eruptions

d
sediment depositions

"a.) well–developed vascular system."

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.