Question

III] Fill in the blanks.
9) A____
is used to measure the intensity of an earthquake.
10)______
are violent storms that occur near coastal areas.
11] A volcano that erupts frequently is called a/an___
volcano.
12] When a huge mass of land or rock breaks off a mountain, it is called__​

Answer 1

Explanation:

9) Seismograph

10) Cyclone

11)Active volcano

12) Landslide