For convection to occur, a. dark objects are required to absorb energy. b. substances must be in contact with each other. c. particles must be able to flow within a substance. d. heat must transfer from an area of less energy to more energy.

Physics · High School · Tue Nov 03 2020

Answered on

Here, option (C) is correct. 

For convection to occur, particles must be able to flow within a substance. Convection is a process in which heat energy is transferred from a solid surface to non-solid surface.