1. What is the opening in the Earth’s crust?
A. Valley
B. Volcano
C. Hill
D. Plateau

2. What part of the volcano where magma collects before an eruption?
A. Crater
B. Lava
C. Magma Chamber
D. Pumic

3. Which of the following is the secondary effect of a volcanic eruption?
A. lahar
B. repair of buildings
C. increase in no. of tourists
D. lava flows

4. Which of the following is NOT a primary effect of a volcanic eruption?
A. release of volcanic gases
B. pyroclastic flows
C. landslides
D. lava flows

5. Teacher Manoban asked her pupils to give a beneficial effect of a volcanic eruption. If you are one of her
pupils, which of the following will you answer Teacher Manoban?
A. increase in milk production
B. soil fertility
C. unemployment
D. increase in vaccine production

pasagot po​