What evidence do scientists have that Earth has been hit by large objects, like asteroids, in the past? Check all that apply.

A. layer of volcanic ash
B. layer of burned organic matter
C. change in average global temperature
D. mass extinctions
E. earthquake activity

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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a chemical change results in a new substance being formed; whereas a physical change will result in a different state of matter

explanation: