Is glass man made or natural?

Answer 1

Glass is comprised of silica, which makes up approximately 15% of our planet. Glass occurs naturally wherever silica is heated to very high temperatures, such as a creator. Glass can be produced naturally, but the glass used today is manufactured the same way mother nature would. Heating silica until it melts, and allowing it to cool. The only difference is, people give it shapes that are not naturally found.

Glass can be found naturally found in Obsidian. Found near lava different materials melt and form Obsidian

Answer 2

It can be -

though also occurs in nature

Discovered when a fire was lit on a beach,

then when it cooled there was glass underneath.

Occurs in nature when volcano is near sand.

Answer 3

idrk?