Sagot :
When pressure from the heat of the Earth builds up, what will be formed? A. mountain
B. tsunami
C volcano
7. What causes the molten rock or magma to come out of a giant crack on the Earth's surface?
A. volcanic eruption
B. tidal wave
C. fault lines а
8. What do you call the magma from a volcano when it flows on the surface of the Earth?
A. lava
B. gas
C. ash
9. Which of the following is a beneficial effect of volcanic eruption?
A. damaged properties
B. fertile soil
C. loss of lives
10. How did the eruption of Mt. Pinatubo in 1991 change the Earth's surface?
→A. Lahar covered rivers, fields, and many landforms near the volcano.
B. Nothing changed on the Earth's surface after the eruption.
C. Areas surrounding Mt. Pinatubo became an ocean.