High pacific islands are formed by volcanic eruptions sand that forms soil shallow lagoons underwater mountain chains

High Pacific islands are formed by under water mountain chains.

Explanation:

High Pacific islands are formed by underwater mountain chains ( last choice).

they had more african americans than any other state.

hope this , have a good day. c;

the federal constitution of the united mexican states of 1824 was enacted on october 4 of 1824, after the overthrow of the mexican empire of agustin de iturbide. in the new constitution, the republic took the name of of united mexican states. it was replaced by the federal constitution of the united mexican states in 1857.