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Comprehension Exercises:

Question1:  What can erupt from volcano?

A. vapor, rock fragments, and gas.
B. magma, rock fragments, and smoke.
C. lava, rock fragments, and gas.

Question2:  What is magma?

A. Rock fragments.
B. Melted rock deep inside the earth. 
C. Lava erupted from the volcano.

Question3:  What make up a compositive volcano?

A. Lava and rock fragments.
B. Lava.
C. Rock fragments.

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