Which statement is true about electrons? A. Electrons are in the nucleus.
B. The basic unit of matter is the electron.
C. An electron pathway is very straight.
D. Electrons are negatively charged.

An electron pathway is very straight

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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