Vaccine immunization is the correct answer I really hope that this helps and
The answer is B
the earth indeed does generate heat although it wouldnt nearly be enough to hold the amount of life that prospers on earth......A is just stupid same for C so B is your answer .... :) hope it helps
Abrasion is one of the four types of physical weathering.
It is becuase those people came from different places and mated with others leading to a combination of dirrerent traits.
