Multiple choice general knowledge science & technology

It is now believed that dinosaurs became extinct because of:

  1. viral diseases

  2. hunting by early humans

  3. A worldwide period of climatic cooling

  4. A meteorite impact
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The scientific consensus, supported by extensive evidence including the iridium anomaly and Chicxulub crater, is that a massive meteorite impact approximately 66 million years ago caused the Cretaceous-Paleogene extinction event. This impact created environmental conditions that non-avian dinosaurs could not survive.

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