Relatively hot objects emit visible light.
Some examples:
==> the wire coils in the toaster;
==> the spoon that you stuck in the flame on the stove;
==> the fine wire in the lightbulb when current goes through it.
VERY radioactive objects also do that. But if you're actually
standing there watching an object that's THAT radioactive,
then you're in big trouble.
Answer:
D
Explanation:
When something that needs power that you are turning off you will not need power when its off.
Absorption happens when <span>all of the energy from light waves is transferred to a medium.</span>
