An asteroid can cause a mass extinction by creating a cloud that blocks out the sun for months or years after impact.

Question

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When an asteroid impacts with Earth, it can generate a massive amount of debris which can block out the sun's rays. This can cause global cooling, crop failure, and biodiversity loss, ultimately leading to a mass extinction event. One such event caused by an asteroid impact occurred 65 million years ago and led to the extinction of the dinosaurs.

An Asteroid Can Cause a Mass Extinction by Creating a Cloud