What causes plate tectonics?
1. friction by convective cells in the mantle2. gravitatio...
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Geography, 23.06.2019 16:00
In which horizon of soil profile is prevent material usually found
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Geography, 23.06.2019 18:00
Which event had the greatest impact on culture of south america
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Geography, 23.06.2019 20:30
Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."
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Geography, 24.06.2019 01:00
Which phrases describe oxygen's roles in earth’s atmosphere? check all that apply. allows fuels to burn forms clouds that produce rain is the gas that animals breathe is used by plants to produce food forms ozone that absorbs the sun's harmful rays
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English, 03.11.2019 20:31
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