<h3>Where does oil come from?</h3>
a)Mined from mountain sides
b)Only from the oceans
c)Deep underground
<h3>Deep underground</h3>
Hello There! ^_^
Your question: What material makes up earth's outer core..?
Your answer: A liquid iron- nickel alloy makes up the earth's outer core.
The answer is option A.
Hope this helps! =)
B more advanced civil actions begin
B; As far as the relation between humans and the environment, it is obvious how much they relied on it. Not only as a food source, but for economic growth and sustainability as well. The other answers make valid points but in the context of this question, the only one that even mentions the relation is B.
