Answer:
When heat is added to a substance, the molecules and atoms vibrate faster. As atoms vibrate faster, the space between atoms increases. The motion and spacing of the particles determines the state of matter of the substance. The end result of increased molecular motion is that the object expands and takes up more space.
Explanation:
Answer key B !! I think correct
<em>Optimize means, modifying a system that may be a computer program, and/or a collection of computers or even network such as internet.</em>
Thanks,
<em>Deku ❤</em>
If by Period you mean Column, they share the same amount of electrons in their outer shell.
