A. free electrons
B. atoms colliding frequency
C. low density
D. porous body
E. all of the above
Correct Answer: porous body ✔
Last Updated: January 24, 2019
A. free electrons
B. atoms colliding frequency
C. low density
D. porous body
E. all of the above
Correct Answer: porous body ✔
Last Updated: January 24, 2019