Deluge - answerAbout 15,000 years ago, a great_______ swelled the columbia river to
ten times the flow of all the rivers in the world today.
Coal - answer_________, a fossil fuel, is used to in the process of producing electricity.
Tectonic forces - answer__________ cause the earth to fold and crack.
Continental drift - answer__________________ cause the Atlantic to widen one to three
inches a year.
Olympic Mountains - answerThe ____________________ were once offshore islands.
Dormant - answerMt. Baker, Glacier Peak, Mt. Rainier, Mt. Adams, and Mt. St. Helens
are ___________ now.
Mt. St. Helens - answerThe eruption of _____________ was equal to 21,000 atomic
bombs.
Lahars - answerHuge mudflows called __________ filled rivers after a volcanic
explosion in 1980.
Mt. Rainier - answerCurrently, Washington's most threatening volcano is
______________.
Fissures - answerThe Columbia Plateau was created by repeated volcanic eruptions
from ______________.
Many dry steambed, the largest dry waterfall, and cataracts - answerThe Grand Coulee
has the following geologic feature(s);
Columbian Mammoth - answerWashington's official fossil is the:
Loess - answerThe mixture of volcanic ash and dust carried by the wind is known as:
Rocky Mountains - answerThe oldest mountains in the west are:
Southeast Asia - answerMany fossil remains found in the north cascades resemble
those of a similar. Age found in:
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