Hibernation vs Dormancy - What's the difference?
<span>As nouns the difference between hibernation and dormancy</span> is that hibernation is (biology) a state of inactivity and metabolic depression in animals during winter while dormancy is the state or characteristic of being dormant; quiet, inactive restfulness.
If two parents have dark hair, the child will most likely have dark hair.
If one has light and the other dark, the child has a 75% chance of having dark hair or a dark-dominated mix because the gene for dark hair is dominant.
If two parents have light hair, the child will most likely have light hair.
Of course, it gets a lot more complicated than this, the genes of the child's grandparents and great grandparents could be carried by the parents as well. So if the parents have dark hair but they each have a parent with light hair, the light hair gene will be carried by them and could be passed on to the child. That's how it is with genetic disorders, such as Systic Fibrosis or Sickle Cell Anemia.

velocity is a vector so it has a magnitude and direction so the answer would be B