Which of the following can cause objects to repel each other?
electromagnetic energy mass Electrical energy gravitation electrical currents photosynthesis the Great Barrier Reef electricity
A B C D E F G H
Electrical currents cause magnetic fields.
Electrical currents can cause objects to repel each other
Which of the following can cause objects to repel each other? (A) electromagnetic energy (B) mass (C) Electrical energy (D) gravitation (E) electrical currents (F) photosynthesis (G) the Great Barrier Reef (H) electricity