3.A
A. black
B. silver
surface or material is an excellent emitter and absorber of radiation.
C. white
D. transparent
4. When the electromagnetic waves come in contact with food, waves transfer heat to the
food, which is an example of
A. conduction
C. radiation
B. convection
D. thermal energy
5. When the temperature of an object is lower than its surroundings, then
A, it is not radiating heat
B. it is radiating but not absorbing
C. it is radiating less heat than it is absorbing
D. it is radiating more heat than it is absorbing​