which of the following is the correct formula in making stained glass? a. sand + water + cobalt oxide + lime…

which of the following is the correct formula in making stained glass? a. sand + water + cobalt oxide + lime b. water + cobalt oxide + lime + heat c. sand + cobalt oxide + lime + heat d. stained glass making does not require a formula. please select the best answer from the choices provided
Answer
Brief Explanations:
La vidriera se hace fundiendo arena, óxido de cobalto y cal con calor. El agua no es un componente esencial en la fórmula básica para hacer vidriera.
Answer:
C. sand + cobalt oxide + lime + heat