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The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2
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Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions
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Which set of terms best describes a community of miners who live out in the countryside of west virginia and use specialized geological equipment to analyze the composition of rock?
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Biology, 22.06.2019 09:00
How does photosynthesis show the conservation of mass and energy?
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Define analogous structure and provide an example...
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