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1. The release of magma from a volcano.
A. Epicenter B. Hotspot
C. Eruption
D. Earthquake
2. Volcanoes that erupt frequently are known as
A. active volcanoes
B. dormant volcanoes
C. extinct volcanoes
D. instinct volcanoes
3. When a volcano ejects acid lava, the eruption is usually
A. Light and less violent
B. Soft and less violent
C. Loud but less violent
D. Loud and more violent
4. In some eruptions, mudflows are forced over the
A. Earth's mantle
B. Ocean bed
C. Earth's surface
D. Earth's core
5. Basic lava erupts out of the volcano, throwing out mainly
A. ash
B. dust
C. CO
D. CO2
6. The magma which is forced onto the Earth's surface is known as
A. vent
B. cone
C. lava
D. magma chamber
7. During eruption, the volcanic material is
A. blown to some meters
B. blown to many kilometers
C. blown to some inches
D. blown to some feet
8. A reference to the process by which materials such as magma and gases from
inside the Earth are forced onto the Earth's surface.
A. Eruption
B. Lava
C. Volcanism D. Earthquake
9. When the volcanos ejects basic lava, the eruption is mainly
A loud
B. violent
C. quite
D. hard
10. The opening or a hole in the Earth's crust through which the magma comes to
the Earth's surface.
A. Vent
B. Cone
D. Crater
C. Pipe
11. Volcanoes that haven't erupted in historic times.
A. Active volcanoes
B. Dormant volcanoes
C. Extinct volcanoes
D. Instinct volcanoes
12. Acid lava flows slowly as it is highly
A. dense
B. viscous
C. sensitive
D. resistive
13. Volcanic eruptions cause destruction, but they are also
A. helpful beacause they destroy land
B. harmful because they create a fertile soil
C. helpful because they help with solar panel
D. beneficial because they provide usable minerals​

Sagot :

Answer:

1.C

2.A

3.B

4.A

5.A

6.C

7.B

8.C

9.A

10.D

11.A

12.C

Explanation:

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Answer:

1. C. Eruption

2. A. active volcanoes

3. D. Loud and more violent

4. C. Earth's surface

5. A. ash

6. C. lava

7. B. blown to many kilometers

8. A. Eruption

9. A loud

10 A. Vent

11. B. Dormant volcanoes

12. B. viscous

13. D. beneficial because they provide usable minerals