A) Alaska B) California C) Colorado D) Washington
A) Rocky Mountains B) Cascade Range C) Appalachian Mountains D) Sierra Nevada
A) Stratovolcano B) Shield volcano C) Lava dome volcano D) Cinder cone volcano
A) Mount Baker-Snoqualmie National Forest B) Gifford Pinchot National Forest C) Olympic National Forest D) Colville National Forest
A) Granite B) Andesite C) Basalt D) Limestone
A) Great Salt Lake B) Lake Huron C) Puget Sound D) Lake Champlain
A) Lahars B) Volcanic bombs C) Pyroclastic flows D) Ashfall
A) John Muir B) Lewis and Clark C) James Cook D) George Vancouver |