What is radiation a transfer of heat through direct physical contact transfer of heat through a direct physical contact transfer of heat through electromagnetic waves transfer of heat through the movement of particles

The answer to this is C- electromagnetic waves.

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Hello!

⇒ C.

Explanation:

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Radiation is one way that thermal energy is transferred from a warmer object to a cooler object. Radiation transfers thermal energy by waves. Waves are disturbances that carry energy from one place to another through matter and space. Radiation transfers thermal energy by electromagnetic waves. Electromagnetic waves transfer energy within or without matter. When an electromagnetic wave comes in contact with an object, the energy that the wave carries can be absorbed or reflected. An absorber is a material that takes in a wave when the wave hits it. A reflector is a material that causes a wave to bounce of it. Thermograms are diagrams that shows thermal energy being released by objects.

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-Charlie

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.

i believe it would be c: tons.