The equilibrium means that amount that are coming equals the amount that are going.
So the correct answers are
<span>2. A person's income and expenses are equal every month.
</span><span>3. The pressure exerted on the inside of a balloon by the gas inside is equal to the pressure exerted on the outside of the balloon by the atmosphere.</span>
They are called meteorologists. i hope this helped.
Answer:
When water freezes, the molecules slow down until the water becomes a solid and the molecules stop moving.