Question

What material makes up Earth's outer core?

A. peridotite
B. a liquid iron-nickel alloy
C. a solid iron-nickel alloy
D. basalt

Answer 1

the material that makes up earths outer core is solid iron and nickel
source: wonderopolis.com
hope this helps :]

Answer 2

C. the innercore however is liquid due to pressure and temperature.
some crust however may have basalt or granite.