Volcanoes and Earthquakes

1.What is a volcano?

• Its a vent in the earth's core

• Its a vent in the earth's crust

• Its a vent in the mantle

2. How is plate tectonics a cause of volcanic eruptions?

• When two plates collide and due to friction volcanic eruptions happen

• When one plate falls on the other due to movement

• Both are possible.

3. What is vent?

• An opening in the earth's crust

• An opening in the magma chamber

• A closing in the earth's crust

4. What is dormant volcano?

• Volcano erupting every year

• Volcano which are active and erupted in the recent past

• Vocano not erupted in recent historical period.

5. What is a earth quake

• Tremor below the surface of the earth

• Tremor above the surface of the earth

• A combination of both

What is a S-wave?

• It is the Secondary wave

• It is a primary wave

• it is rayleigh wave

What is an epicenter?

• Its the center of the volcanic eruption

• Its a point on the earth surface directly above the seismic focus

• Both