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21-7
Test Description: 21-7
Instructions: Answer all questions to get your test result.
1) Dissolving carbon dioxide in water to form carbonic acid causes this
A
Global warming
B
Acid rain
C
Volcanoes to erupt
D
Earthquakes
2) The removal and transportation of weathered and nonweathered materials are this
A
Erosion
B
Weathering
C
Small furry animals
D
Physical weathering
3) What is the most effective physical weathering agent?
A
Glaciers
B
Water
C
Ice
D
Snow
4) How are canyons formed
A
By slow moving rivers washing away sediment
B
By rivers drying up
C
By quickly moving rivers carrying alot of sediment
D
By rivers removing sediment
5) Rivers slowing at continental boundaries and depositing sediment forms these
A
Arches
B
Deltas
C
Canyons
D
Mountains
6) What do glaciers form as they erode mountains?
A
Mountains
B
U Shaped valleys
C
Rivers
D
Lakes
7) What are arches caused by?
A
Fast moving wind
B
Deforestation
C
Fast moving water
D
Destruction of land by humans
8) A rock made of pebbles is a
A
Sandstone
B
Conglomerate
C
Mudstone
D
Limestone
9) Which of the following is not an example of physical weathering?
A
Gravity
B
Wind
C
Leaching
D
Rain
10) Which of the following is not a characteristic of rocks?
A
Smooth
B
Porous
C
Soft
D
Fossils
*select an answer for all questions
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