What is the primary difference between

Question

CD-R and CD-RW?

A. CD-R disks can only be written on
one time.

B. CD-R disks are magnetic.

C. CD-RW use optical storage technology.

D. CD-RW can only record 100 gigabytes.

Isn't the primary difference between
CD-R and CD-RW is that the CD-R disks can only be written on one time?

Yes. That is the primary functional difference.