Question

which of the following occurs when the earths crust shifts?
a. earthquake
b. ocean tide
c. hurricane
d. tornado

Explanation:

Earthquakes are caused by the sudden shifting or movement of tectonic plates in the Earth's crust. Ocean tides are driven by gravitational forces from the Moon and Sun. Hurricanes and tornadoes are atmospheric weather phenomena, unrelated to crustal shifts.

Answer:

A. earthquake