Figure shows 3 electric charges labeled Q1, Q2, Q3, and some electric field lines in the region surrounding the charges. What are the signs of the 3 charges?
A.
Q1 is positive, Q2 is negative, Q3 is positive.
B.
Q1 is negative, Q2 is positive, Q3 is negative.
C.
Q1 is positive, Q2 is positive, Q3 is negative.
D.
All 3 charges are negative.
E.
All 3 charges are positive.