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The rather simple idea that,unless disturbed,younger sedimentary layers overlie older layers,is referred to as the principle of
Q4: What three factors affect porosity?
Q23: Under what conditions does a glacier front
Q26: Meanders<br>A)migrate downstream.<br>B)shorten the stream.<br>C)migrate upstream.<br>D)remain in one
Q59: Why does a clay rock body generally
Q64: When a warm air mass moves into
Q69: Flowing water erodes stream channels by<br>A)chemical weathering.<br>B)hydraulic
Q107: Glacial deposits are characteristically<br>A)well sorted and well
Q133: During the Precambrian, the development of the
Q144: Why are glacial striations so important?
Q148: Erosion by alpine glaciers creates<br>A)V-shaped valleys.<br>B)U-shaped valleys.<br>C)drumlins.<br>D)moraines.