indigenous people - CORRECT ANSWER Chamorros, who first settled the island about 4,000 years ago.
unincorporated territory - CORRECT ANSWER An area controlled by the United States but not a part of
the United States.
plateau - CORRECT ANSWER A flat area elevated above the ocean.
geology - CORRECT ANSWER The study of nature of rocks and where they came from.
volcanic activity - CORRECT ANSWER Hot lava came out through the Earth's crust and cooled off to
become rocks.
marine organisms - CORRECT ANSWER Skeletons of corals and other marine creatures piled up and
became rocks.
uplift - CORRECT ANSWER Pushed out of water by great pressures in the Earth's crust.
plate tectonics - CORRECT ANSWER Explains how the earth's surface formed and how it changes.
Southern Guam landforms - CORRECT ANSWER large mountains, hidden waterfalls, rich soil for planting
Northern Guam landforms - CORRECT ANSWER plains and flat lands, tall cliffs, deep caves
badlands - CORRECT ANSWER where soil gets washed away
bays - CORRECT ANSWER bodies of water partly surrounded by land