3.
A(n)
is a break in Earth's lithosphere where one block
of rock moves toward, away from, or past another block.

3.

Explanation:

A fault is a break in Earth lithosphere where one block of rock moves toward, away from or past another. When rocks move in any direction along a fault, an earthquake occurs.

d. i., ii., iii., and iv.

a mid-ocean ridge or mid-oceanic ridge is an underwater mountain range, formed by plate tectonics. this uplifting of the ocean floor occurs when convection currents rise in the mantle beneath the oceanic crust and create magma where two tectonic plates meet at a divergent boundary.a geomagnetic reversal is a change in a planet's magnetic field such that the positions of magnetic north and magnetic south are interchanged.