What catastropic events do geologist suggest caused the mass extinction in the Triassic–Jurassic extinction

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A: What is the mass of a column of air that has a cross-sectional area of 1 square centimeter and that ...

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A: For a star of mass M, and radius R, write down the expressions for the rotational speed of a particl...

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A: The north facing wall of a livestock barn is sloped 70° from the horizontal. The barn is located at ...

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A:   What does continental Spreading Zones mean?     

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A: Successive arrangements of stratigraphic and time units as the standard reference for worldwide corr...

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A: Sharks have an amazing sense of smell and can detect blood down to a concentration of 1 part in 25 m...

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A: Imagine you are the Department of Energy research and development  budget would you devote to fossil...

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