Abyssal Plains & Hills

1. Abyssal Plains are the flattest places on Earth and are found underwater.

2. They can typically be found between the edges of the continents and great underwater mountain ranges; most common in Atlantic & Pacific.

3. Abyssal Plains consist of beds of volcanic rock topped with sediments that are up to thousands of feet thick.

4. Abyssal Plains cover about a third of the Earth's surface.

SOURCE: http://muffinman217div2.weebly.com/uploads/9/9/2/3/9923627/2559502_orig.jpg?350

SOURCE: http://oceansjsu.com/images/abyssal_plain_names.jpg