Answer :

Final answer:

Amorphous solids like glass and plastics lack a regular repeating structure, while quartz is a crystalline solid.


Explanation:

An amorphous solid is a solid that lacks a regular repeating structure, such as glass and many plastics. On the other hand, quartz is a crystalline solid due to its regularly repeating three-dimensional structure.


Learn more about Solid Types here:

https://brainly.com/question/39519196