Question

Which of Earth's layers is a liquid?

A. Inner core
B. Crust
C. Lower mantle
D. Outer core

Answer 1

A. Inner Core

Step-by-step explanation:

Answer 2

outer core

Step-by-step explanation:

The inner core is solid, the outer core is liquid, and the mantle is solid/plastic

it has to do with the temperature to make it a solid