Geography, 03.02.2020 05:55 peyton2730
Biologist estimate how long ago species separated from a common ancestor using a technique called.
answers: 1.a molecular clock 2. radiometric dating 3.relative dating 4.stratipraghy
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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 11:00
The pacific islands that lie along tectonic plates may have volcanic activity are uninhabited may not have agricultural economies are located in the tasman sea
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Geography, 23.06.2019 12:30
Ahis which describe the horizons in a soil profile? check all that apply. horizon a is mineral deficient. bedrock lies below the soil layers. te horizon o forms from organic material, horizon b undergoes the least amount of change. horizon c is least affected by the soil formation process.
Answers: 3
Biologist estimate how long ago species separated from a common ancestor using a technique called. <...
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