Answer:
I belleive A is the correct answer, here is why
Region: geography, regions are areas that are broadly divided by physical characteristics, human impact characteristics, and the interaction of humanity and the environment.
If that is correct then it is compleetly possible for animals to migrate over different regions
A) electron
b) nucleus
c) electron cloud
d) proton
e) neutron
It contracts on its own without input. The answer is C.
Hope that helped you.
Hair color or Eye color , one of the two
I would say b and a don't quote me if I'm wrong :P
