What should the student do in her investigation to produce these results?

A) She should place a positively charged rod near the left sphere.

B) She should place a negatively charged rod near the left sphere.

C) She should place two negatively charged rods near each sphere.

D) She should place two positively charged rods near each sphere.

What should the student do in her investigation to produce these results A She should place a positively charged rod near the left sphere B She should place a n class=