the top layers of soil and rock in an open-cast mine
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EXAMPLES
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when too much light gets into the camera aperture (opening). This causes a blurred effect, which...
Subject:
a fold in which both the limbs dip in the same direction so that the strata in the middle part...
Subject:
the gradient is such that the river has excess energy and erosion occurs
Subject:
damage caused to the vegetation when it is intensively fed upon by grazing animals and does not...