Erosion occurs when natural forces alter the landscape. What soes it mean to alter a landscape?To change what land looks like.
To blow dust around
To create a floodplain
To deposit silt at the mouth of a river
Why is it hard to see glacial erosion in action?Because glaciers move very, very slowly
Because glaciers are so big
Because glacial erosion is very subtle
Because light from glaciers refracts too much
