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:

the statement that best explains why the tenth amendment reserves some rights and powers to states is that the framers believed in the principle of federalism. this principle says that some powers are in the hands of a centralized national government, while others are reserved for the governments of several states.

hello,

this starts with

the areas residents asking congress for admission.

this is the first step in the process of admitting a new state,

- i.a -