The black sand beaches in Hawaii are comprised of_______ . A) fragments of basaltic volcanic rock B) ground up bottle and other debris placed there by Hawaii tourist bureaus. There is not natural sand in Hawaii because there is no quartz C) fragments of black coral D) fragments of obsidian glass

Question

Quizplus · Accepted Answer

The black sand beaches in Hawaii are formed from fragments of basaltic volcanic rock that is broken down and eroded by the ocean over time. The volcanic rock is black in color, thus giving the beaches their distinctive black sand appearance.

The Black Sand Beaches in Hawaii Are Comprised Of_______