Examine the scenario.

A stream of negatively-charged particles is moving to the right in a magnetic field. The particles experience a force downward.

Which situation(s) would result in the particle stream experiencing an upward force?

(Select all that apply.)

A. using uncharged particles moving to the right

B. using positively-charged particles moving to the left

C. using negatively-charged particles moving to the left

D. using positively-charged particles moving to the right