Solids: have fixed shape and fixed volume
Liquids: have fixed volume
Gases: have neither fixed volume or fixed shape
This tells you that having a fixed shape is the most responsible characteristic of a solid's structure.
There are multiple answers to this question depending on what answer it's looking for. This is one of the right answers but I don't know if it's the one the question is looking for.
I would say none because thats the only one that makes any sence.
Answer:
Newton's second law of motion is F = ma, or force is equal to mass times acceleration.
Explanation: