Question

In the selection, the author compares an atom giving or taking energy to a?
A very hot iron horsehoe.
B human-made clock.
C long shadow.
D fast-spinning globe.

Answer 1

The correct answer is **A: a very hot iron horseshoe.** This metaphor is often used to describe how an atom can release or absorb energy in a way that is similar to how a hot object can transfer heat.