ONE QUESTION 60 POINTS PLEASE BE QUICK (and correct!)

Erosion is responsible for the formation of .

volcanoes
deltas
glaciers
all of the above

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

The relationship between intron and exon