1. .............. different types of materials may erupt from an active volcano

Two

Three

Four

Five

2. Volcanoes are estimated to kill ............ almost people per year.

1000

2000

50000

9900

3. The type and amount of the material that erupts from an active volcano depends on the composition of the ............. inside the volcano.

lava

magma

tephra

vents

4. “danger zone” is about a .............. mile radius around the volcano itself.

25

30

20

40

5. Tambora volcano erupted in ............. .

1815

1869

1923

2008

6. The volcano of Tambora killed .............. people.

50000

80000

40000

30000