The impact of a large meteorite with earth would have most likely caused mass extinctions by creating large clouds of dust that blocked out sunlight and destroying plant life.
A meteorite is a piece of space matter that crashes to a planet's surface. The Asteroid Belt is the source of the majority of meteorites that hit Earth. Watch as a meteorite approaches Earth, explodes, and leaves a crater in its wake.
The meteorite caused extinctions as about 3/4 of the species that were present at the time, including the dinosaurs, perished as a result of the explosion's debris being hurled into the atmosphere and drastically altering the climate.
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