Final answer:
Volcanoes can be found on land, under water, and on islands.
Step-by-step explanation:
Volcanoes are found in various locations. They can be found on land, under water, and on islands. This means that volcanoes can be found in all the given options: A, B, C, and D. Some examples of volcanic islands include Hawaii and Iceland. Underwater volcanoes, also known as submarine volcanoes, are found along tectonic plate boundaries in the ocean.
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