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ARC-Easy / Mercury_7014385 / Some scientists believe that the mass extinction of dinosaurs was caused by the…

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question

Some scientists believe that the mass extinction of dinosaurs was caused by the impact of a large meteorite on Earth. This impact would have caused a darkening of the sky due to dust blown into the upper atmosphere. This darkening would have reduced the sizes of some ecosystems because of

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  • longer seasons.
  • accelerated erosion.
  • reduced photosynthesis.
  • increased number of hurricanes.

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