1) What is Intrusive Igneous Rock? a) From erupting volcanoes b) When magma is trapped 2) Expansion of a substance causes what? a) Root wedging b) Exfoiliation c) frost wedging 3) What is Erosion a) The settling out of sediment b) The moving of sediment c) The breaking down of rock 4) When sediments get dropped off it is called a) Deposition b) Weathering c) Erosion 5) Chemical Weathering is a) The breaking apart by water, gravity, organism, or wind. b) Frost wedging c) The movement of sediment d) Composition change as a result of substances 6) Which is a factor that affects weathering? a) erosion b) Surface Area c) root wedging d) deposition 7) Topsoil a) Organic Matter b) more rock, some humus, and organic material c) Rock, Humus, and organic material d) parent material 8) Which is a human cause of erosion? a) Gravity b) Wind c) Overgrazing d) Water 9) Which affects the formation of soil? a) Erosion b) Humus c) Deposition d) Topography 10) Horizon C a) Humus b) Weathered parent material c) Organic Material

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