Select the correct statements.
(i) Tremors that follow massive earthquakes are called aftershocks.
(ii) Mt. Etna is a dormant volcano.
(iii) Earthquake is measured on the Vernier scale.
(iv) Breaking of dam can cause floods.
A(i) and (ii) only
B(i) and (iv) only
C(ii) and (iv) only
D(ii) and (iii) only