kavonnseabrain kavonnseabrain
  • 06-06-2019
  • Biology
contestada

What is thought to have caused the mass extinction at the end of the Cretaceous Period?

Respuesta :

annamatherne257
annamatherne257 annamatherne257
  • 06-06-2019

Answer:

the impact of a massive comet or asteroid 10 to 15 km (6 to 9 mi) wide, 66 million years ago

Explanation:

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