Which type of mountain is created when rock layers are pushed up by forces inside the earth?
a. fault-block
c. folded
b. upwarped
d. volcanic

Which fators influence ocean currents

The necleus of an atom is made up of what subatomic particles?

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge, at the position of the second charge, change if the second charge is doubled? a. the field does not change b. the field strength decreases by half. c. the field strength doubles d. the field strength quadruples