(Q010) Identify the true statement.Group of answer choicesThe process by which icebergs break off of coastal glaciers is called surging.Narrow, steep-sided, deep inlets of seawater in glacial valleys are called fjords.Today, glaciers cover 30% of the land; in the ice age, they covered 70%.Pluvial lakes are lakes that form on the surface of a glacier.

(Q005) Which of the following statements is true?Group of answer choicesRoughly half of a floating block of ice lies below the surface of the water.Icebergs, by definition, are free-floating chunks of ice that are at least 6 m above water and at least 15 m long.Ice is denser than water.Tidewater glaciers are glaciers that experience movement due to the tides.

Which feature is not the result of a glacier carving out rock as it moves?A.Horn peakB.Stratified driftC.U-shaped valleyD.Fjord

Landforms made of till that are left behind after a glacier melts.

Which of the following processes occurs during glacial retreat?Group of answer choicesThe rate of accumulation exceeds the rate of sublimationIce flows back toward the origin of the glacierThe position of the glacier's toe (terminus) moves back toward the origin of the glacier, even though ice continues to flow toward the toeThe ice stops flowing and simply melts away

(Q017) A glacier can have only one of which of the following types of moraines?Group of answer choiceslateralendmedialterminal