Question

multiple - choice question
islands can form by...
dirt, sand, and coral building up
all of the above
cracked lava from underwater volcanoes
breaking off from larger pieces of land

Explanation:

Islands can form in multiple ways. One way is through the accumulation of dirt, sand, and coral. Another is from cooled lava from underwater volcanoes. Also, land can break off from larger pieces to form islands. So all the given processes can contribute to island formation.

Answer:

B. All of the above