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a thick layer of volcanic ash can be heavy enough to collapse the roofs of buildings because ash _____.
a. is solid.
b. cannot be blown by winds.
c. becomes heavier as it cools.
d. consists of tiny fragments of rocks that becomes heavy as they pile up.


Sagot :

Answer:

D.

Explanation:

Volcanic ash us a mixture of rocks, minerals, and glass particles expelled from a volcano during a volcanic eruption.