1) Which of the following factors does not trigger landslide?
A. Volcanic activity
B. Thick vegetation
C. Steepness of the slope D. Ground shaking due to earthquake
2) Which of the following can trigger a landslide?
A. Wind howl C. Car accident
B. Earthquake D. Fire in a house
3) What do you call the human activity that trigger landslides using explosives?
A. Land use C. Mining
B. Quarrying D. Excavation
4) What makes road construction a possible cause of a landslide?
A. Slope excavation
B. Use of heavy equipment
C. Poor sanitation among workers
D. Lack of personal safety gears
5) Which province in the Philippines has a very low risk to typhoon?
A. Palawan C. Iloilo
B. Mindoro Oriental
D. Bulacan​