Answer:
c) A solid has a definite shape
Explanation:
Only solids have definite shape. Liquids acquire the shape of the container and gases have molecules that move randomly .Gases turn into plasma when
heat energy is added to it.
Answer:
You would get 19.969 moles
Explanation:
A vice, you can tighten it and then work on what is held in it without having to hold it still or in the position you want.