A sudden movement (or) trembling of the earth’s crust is called an ........ (a) Tsunami (b) Earthquake (c) Fire(d) Cyclone

A sudden movement (or) trembling of the earth’s crust is called an .

1.	A sudden movement (or) trembling of the earth’s crust is called an ........ (a) Tsunami (b) Earthquake (c) Fire(d) Cyclone
Answer» (b) Earthquake