Silver is a better conductor than copper. But copper is more often used because of __________.
A. the cost of silver
B. the strength of copper
C. the low melting point of silver
D. the tendency of silver to tarnish
Silver is a better conductor than copper. But copper is more often used because of __________.
A. the cost of silver
B. the strength of copper
C. the low melting point of silver
D. the tendency of silver to tarnish