Why are metals sometimes added to gold?
to make gold stronger and more durable
to raise its melting point
to make it softer and more malleable
to improve the value of gold
1 answer
to create different colors and shades
to make gold stronger and more durable
to raise its melting point
to make it softer and more malleable
to improve the value of gold
1 answer
6 answers
2 answers
1 answer
1 answer