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Lorenza Kassulke ∙
Stratosphere
90% of ocean water covers the Earth
erosion
condensation A+
Wiechert-Gutenburg Discontinuity
salt
stratosphere A+
gravity
A water shortage that goes on for several years is referred to as a water crisis.
Water vapor
Ozone is created by the oxygen molecules. When the UV falls on oxygen, ozone is formed.
asthenosphere
helium
97% of the Earths water is in our oceans.
mesosphere
Continental crust A+