Earthquake and volcanic eruption occur near the edges of ______.

(a)

Mountain

(b)

Plains

(c)

Plates

(d)

Plateaus

The magnitude of an earthquake is measured by ________.

(a)

Seismograph

(b)

Richter scale

(c)

Ammeter

(d)

Rotameter

Lava cones are ________.

(a)

mountains of accumulation

(b)

mountains of deformation

(c)

relicit mountains

(d)

fold mountains

The top of the cone of a volcanic mountain has a depression known as the _________.

(a)

crater

(b)

lopith

(c)

caldera

(d)

sill

_____ belt is known as the “Ring of Fire”.

(a)

Circum - Pacific

(b)

Mid - Atlantic

(c)

Mid - Continental

(d)

Antarctic