The diagram below shows that the magnetic field of Earth is similar to that of a bar magnet.
At which location is Earth's magnetic field the strongest?
a) 1
b) 2
c) 3
*d) 4

Which of the following is evidence to the past existence of glaciers?

Anight-club bouncer, now a top official,put coke or pepsi in it; first three initial. combine all lakes; but i still have more,of all the places; i have the largest shore.what am i? ?

Scientists believe that differences in cause hot, plastic-like rock in the asthenosphere to rise toward earth's surface. a. density c. weight b. magnetism d. composition c. conduction. d. density.