Answer:
the answer isn't letter B. magnetic fields of Earth.
Explanation:
Regolith is made of organic material which supports plant growth so it is true
Answer:
x^2 - 8x + 16 = 0
Explanation:
x = 4 or x = 4
x - 4 = 0 or x - 4 = 0
(x - 4) (x - 4) = x^2 - 4x - 4x + 16
= x^2 - 8x + 16
<span>The scientific study of the human population is demography</span>
