Question

What is convection current?

A. The emission or transmission of energy in the form of waves or particles through space or through a material medium.

B. The process by which heat is directly transmitted through a substance when there is a difference of temperature between adjoining regions, without movement of the material.

C. The process by which a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes

D. When hot mantle materials rise and reach a weaker part of the crust, some move sideways, cool off, become dense and sink deeper into the core.

Answer 1

Answer:

B. The process by which heat is directly transmitted through a substance when there is a difference of temperature between adjoining regions, without movement of the material.

Answer 2

Explanation:

B. The process by which heat is directly transmitted through a substance when there is a difference of temperature between adjoining regions, without movement of the material.

Hope this helps you