EXERCISE 1. HOOS TH ST OPTION AMONG A OR D TO COMPL T ACH OFTH FOLLOWI...
17. Graphite is a soft, slippery solid that is a good conductor of_________ heat and electricity.
A. not just
B. and
C. both
D. moreover
17. Graphite is a soft, slippery solid that is a good conductor of_________ heat and electricity.
A. not just
B. and
C. both
D. moreover