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The process by which rocks break down is called
a) erosion b) sedimentation c) deposition d) weathering
When rocks are broken down by physical means, what kind of weathering occurs
a) mechanical b) chemical c) aquatic d) riparian
Lichens and mosses found on bare rock contain acid which breaks down rocks and produces what will eventually become soil. This process of acids from plant roots breaking down rocks is called
a) aquatic weathering b) chemical weathering c) mechanical weathering d) riparian weathering
Water fills cracks in rocks and freezes. The expanding ice pushes against the rock with enough force to break it apart. This is an example of
a) chemical weathering b) aquatic weathering c) mechanical weathering d) riparian weathering
The main factor of both physical and chemical weathering is
a) acid b) water c) gravity d) wind
Sediments that start out in one location are carried by rivers and streams to another location far away downstream. Where would sediments that were deposited in North Texas eventually end up?
a) Gulf of Mexico b) Gulf of Florida c) Gulf of Tampico d) Gulf of Louisiana
Which of the following is false?
a) Erosion can cut deep valleys b) Erosion carries rock from place to place c) Deposition breaks down rock to form sediment d) Glaciers form features by eroding rock and soil under them.
Which landform is formed by deposition of sediment?
a) Valley b) Beach c) Cliff d) Canyon
Chemical weathering is different than mechanical weathering because chemical weathering
a) breaks down rock b) moves rock from place to place c) makes new landforms d) changes the composition of the rocks
Which of these can be casued by plate movement?
a) thunder, wind, and rain b) mountains, earthquakes, and volcanoes c) waves, tides, and floods d) fossil and roack layers
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