Answer :
Both B and C are correct.
B. Thomson did discover the electron.
C. Rutherford is one of the people credited for discovering the proton, besides Eugen Goldstein.
If you need only one answer, I'd pick B, though.
B. Thomson did discover the electron.
C. Rutherford is one of the people credited for discovering the proton, besides Eugen Goldstein.
If you need only one answer, I'd pick B, though.