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Their evidence comes from rocks at earths surface.
the source is found underground, and then it is mined
Seismic waves
meteorites
A) Glacial Deposits
Their evidence comes from rocks at earths surface.
Obtained by Earths atmosphere which is 20% Oxygen and processed by the aveoli (part of the lung).
Seasons
Bronze is not obtained from the Earth's crust. Bronze is a man made alloy of Copper and Tin.
the source is found underground, and then it is mined
Seismic waves
meteorites
it gives earth sunlight and life to its enviroment.
a. seismic waves b. volcanoes c. earthquakes d. rocks
Rock samples
Rock Samples.
fat trees