Answer a long shaft that runs up the center of a volcano is called a a. central vent c. central opening b. open vent d. none of these

It could be A or B

Explanation: I´m having a little inner issue with the fact tha  there are 2 parts of the volcano that match your question.

Crater: It could be considered as the central vent of the volcano. Some of these might be even as bigger as the whole stucture of the volcano.

Boiler: This could be define as a depression inside the crater, it could be very very deep, almost at the size of the whole volcano.

a

Explanation:

returning points to main account

explanation:

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