E
Editor
Sep 18, 2022
An ordinary glass gradually softens into a paste-like state before it becomes a very viscous liquid. It happens alomst a:
Difficulty: Easy
A:
$800^{\circ}C$
B:
$500^{\circ}C$
C:
$300^{\circ}C$
D:
$1000^{\circ}C$
ID: 63273db8ca83163ac3a0f207