How is stained glass made? a. adding metallic oxides to sand and ash or lime, then infusing at high temperatures b. adding metallic oxides to salt, then infusing over time at low temperatures c. adding metallic oxides to sulfur, then infusing at high temperatures d. adding metallic oxides to sulfur, then infusing at low temperatures?

adding metallic oxides to sand and ash or lime, then infusing at high temperatures

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer

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