16. It happens when rocks are exposed to a
low temperature.
17. A type of weathering characterizes by
physical wearing of rocks.
18. As agent of weathering, they dig deepe
causing rocks to break into pieces.
19. As it blows, it carries sand or small rock
particles that scratch the rock's surface.
20. The process by which humans extract
stones from mountains.
Answers & Comments
Answer:
1.c
2.b
3.a
4.e
5.D
Answer:
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