Answer:
the basic unit of a chemical element.
Explanation:
Solid to a liquid
Melting is the term used to describe when a solid is raised above its melting point. This causes the solid to change state into a liquid. This process is known as melting.
The best answer to the question above would be letter c. Coal and natural gas are examples of nonrenewable resources. These resources are those that cannot be used again and again and can run out if supply runs out. Coal and natural gas are used for generating electricity.
