What can cause objects to have opposite charges?
Temperature frozen water heat energy magnetism polar winds ship captains voltage Light
A B C D E F G H
Opposite charges repel.
Magnetism can cause objects to have opposite charges.
What can cause objects to have opposite charges? (A) Temperature (B) frozen water (C) heat energy (D) magnetism (E) polar winds (F) ship captains (G) voltage (H) Light