Branliest to correct answer

what evidence is there that work is being done?

a)
a lever is being used.

b)
a simple machine makes a task easier.

c)
the rock has a larger force than the boy.

d)
the boy uses force to move the rock a distance.

the answer is d. 74.02

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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