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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, 23.06.2019 06:00
How does central place theory explain patterns in the size and distribution of cities?
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Geography, 23.06.2019 08:00
The diagram shows , , and . which statement can be proven true from the diagram? a. â dgb is supplementary to â ega. b. â dgb is supplementary to â cgb. c. â cgb is supplementary to â agd. d. â ega is supplementary to â egc. e. â egd is supplementary to â cgb.
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Geography, 24.06.2019 02:30
What is the correct order (starting from the surface) of warts layers
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What is the world's largest rainforest?...
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