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The most likely cause of the mass extinction at the end of the Cretaceous is A a

ID: 106420 • Letter: T

Question

The most likely cause of the mass extinction at the end of the Cretaceous is A a meteor impact B rapid climate change C man began to hunt and killed many large animals D the breakup of Pangea The Himalayas formed as a result of the closure of the A Tethys Ocean B Indian Ocean C Interior Seaway D Pacific Ocean Volcanic eruptions at Yellowstone from the Miocene on (i.e. 17 Ma to present day) were caused by A subduction of the Farallon plate B a hotspot (mantle plume) C rifting of the North American continent D a meteor impact

Explanation / Answer

Answer 4 - a

A large meteorite struck the earth during the late cretaceous which has resulred in the extinction of large groups of dinosaurs

Answer 5 - tethys ocean

Tethys was an ocean between the laurassia and gondwana in the past. When india vroke up from the gondwana and started moving towards the Eurasia the tethys sea was submerged.