A substance made up of only one type of element
The convection currents would come from the exterior core and they would travel through the mantle and eventually through the core
Answer:
It gives our light which we need for probably everything.
Explanation:
Explanation:
A lever is a rigid bar which moves freely about a fixed point called fulcrum....
The types of lever are :
- First class lever
- Second class lever
- Third class lever....
