how is stained glass made?\na. adding metallic oxides to sand and ash or lime, then infusing at high…

how is stained glass made?\na. adding metallic oxides to sand and ash or lime, then infusing at high temperatures\nb. adding metallic oxides to salt, then infusing over time at low temperatures\nc. adding metallic oxides to sulfur, then infusing at high temperatures\nd. adding metallic oxides to sulfur, then infusing at low temperatures\nplease select the best answer from the choices provided\n○ a\n○ b\n○ c\n○ d
Answer
Brief Explanations:
Stained - glass is made by adding metallic oxides to sand and ash or lime, and then fusing at high temperatures. This process gives the glass its color and properties. The other options with salt or sulfur are incorrect.
Answer:
A. adding metallic oxides to sand and ash or lime, then infusing at high temperatures