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Geology
Geology is the study of rocks and
soil. This is the oldest rock it is called
Acasta gneiss it is 4.5 billoin American Natural Histry
Musueum. This is soil, without this trees and
crops could not grow with trees and crops we could not
live.
The rock cycle is inportant to the
formation of soil. it should not be pollouted with acid rain
or landfill. We should not pollute the soil because we plant
our crops in it and the pollution will go in to the crops.
When we eat them we could get sick. It will also hurt
animals. this picture courtesy of the department of
geoloical sciences.
