Seasonal tilt please help me this is due now!
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Geography, 22.06.2019 14:40
Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite
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Geography, 24.06.2019 02:00
What can happen to solar radiation when it enters earthโs atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.
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Geography, 24.06.2019 14:00
Deep-ocean and are created by convergent boundaries of an ocean and continental crust
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