One of the following is NOT an example of amorphous solids?

One of the following is NOT an example of amorphous solids?

مندرجہ ذیل میں سے ایک بے ساختہ ٹھوس کی مثال نہیں ہے؟
Explanation

Glucose is NOT an example of amorphous solids; it is a crystalline solid.

In contrast, glass, plastic, and rubber are amorphous solids.

It lacking a well-defined crystalline structure.