1. What changes on the Earth's surface are caused by earthquakes?
I. Liquefaction
II. Nassive landslides
III. Formation of new rocks

A. l only
B. II only
C. I and II
D. 1, I and III

2. Which would likely occur after a strong earthquake?
A Low-built houses are partly destroyed
B. Several buildings and houses collapsed.
C. Condemned buildings are further damaged.
D. Small cracks are formed on weak structures.

3. How does tsunami affect the Earth's surface?
I. Formation of landforms
II. Devastation of coastal infrastructures
III. Destruction of houses, buildings, and plants in the area
A. I only
B. Il only
O. || and
D. I. II and III

4. What forms when lava flows out from the volcano cools and hardens?
A. landscape
B. rocks
C. soil
D terrain

5. How do materials ejected during volcanic eruptions affect the Earth's surface?
I. Volcanic ash destroys vegetation.
II. Lahar flow damages the structures on its path.
Ill. The ejected lava hardens and causes buildup of land
A. I only
B. Il only
C. I and II​