The F1 offspring of Mendel's classic pea plant crosses always looked like one of the two parental varieties because he crossed a homozygous dominant plant with a homozygous recessive plant so each plant received one recessive allele and one dominant allele. All of the plants looked like one plant because the dominant allele overshadowed the recessive allele
Whelp, it is definitely not D.
I would say B.
there was no Paleogene period.
Answer: They are easily identifiable.
Explanation:
There are wrinkled pods, smooth pods, white flowers and things like that that are easy to see right away.
Can't be gravitational, due to the fact that atoms are way too small to have a gravitational pull for something of similar size.
The strong nuclear force is the answer you're looking for.