Question

multiple - choice question
islands can be formed by
both answer choices
breaking off of another piece of land
volcanic activity
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Explanation:

Islands can be formed through volcanic activity when lava builds up over time above the ocean - surface. Also, they can be formed when a piece of land breaks off from a larger land - mass, such as in the case of continental drift or erosion - related break - offs.

Answer:

A. both answer choices
B. breaking off of another piece of land
C. volcanic activity