Unit $7$ Discussion: Is glass a solid or liquid? $-$ Discussion $2$

Some people claim that stained glass windows in old churches are thicker at the bottom than at the top because glass flows slowly like a liquid. So$,$ over a long period of time glass is like a ;liquid. BUT other have known this isn't true; these windows are thicker at the bottom owing to the production process when stained glass was made. Defend your answer. Is glass a solid or a liquid????.

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