Which of the following compounds is most likely ionic? (A) LiCl
(B) CO
(C) CuNO3
(D) PCI5
(E) FeBr3

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

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answerca air mass;