Write short answer

Anonymous
timer Asked: Jun 19th, 2018
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I have six questions I need the answer and you can find the answer in this video This is the video

Write short answer
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Write short answer
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Tutor Answer

peachblack
School: Purdue University

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i.

What piece of evidence initially convinced Dr. Alvarez that a mass extinction had
occurred at the K-T boundary?
Numerous bigger shells, which signified presence of different foram fossils, were found

before the boundary while after the boundary there were small limited amounts of shells.
ii.

What was the first clue that an asteroid had struck Earth at around at around the
same time as the mass extinction?
Scientists discovered highly concentrated Iridium between Cretaceous and Te...

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Anonymous
Goes above and beyond expectations !

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