1. Which of the given phrases is a way in classifying volcano as active or inactive?
A. Their shape of cones.
B.their height
C.their age
d.their number of eruptions
2. which type of cone is built from ejected lava fragments?
A Cinder cones
b. composite cones
c. shield cones
d.inverted cones
3. which liguid is the least viscous?
A. WATER
B.SYRUP
d.honey
c. cooking oil
4. why do some lava flow faster and some are slow?
A. Its viscosity
B.its location
d. latitude
c.shape of the volcano
5.which is not a factor affecting the eruptive style of volcano?
A. amount of dissolved gases
B.magma's temperature
c. chemical composition
D. Amount of ash
6. What type of volcanic eruption is the largest and most violent of all types?
A.Vulcanian
B.Plinian
c. Strombolian
d.Phreatic
7. How will you classify a tsunami as an effect of volcanic eruption?
A. Indirect hazard
B.Half hazard
c.direct hazard
d. not hazard
8. which of the phenomenon is a direct hazard when a volcano erupts?
A.Climatic effects
B. Debris Avalanches
C.Famine and disease
D.Tsunamis
9. Which of the volcano produces very rich soil for farming years after its eruption in 1867?
A. Pinatubo b. Musuan C. Mayon D. Taal
10. Which type of volcanic eruption produces tepra,ash clouds,and pyroclastic materials? A. Vulcanian
B. STROMBOLIAN
C.PLINIAN
D.Phreatomagmatic.​