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crater - the round hole at the top of a volcano, or a hole in the ground, death wish - a desire for death, glacier - a large mass of ice that moves slowly, barren - unable to produce plants or fruit, dense - having parts that are close together so that it is difficult to go or see through, murky - dark and dirty or difficult to see through, ridge - a long, narrow raised part of a surface, especially a high edge along a mountain,
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