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Author Question: The last major dinosaurs were wiped out as a consequence of a major impact with the Earth about 65 ... (Read 249 times)

abc

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on: Jul 27, 2018
The last major dinosaurs were wiped out as a consequence of a major impact with the Earth about 65 million years ago. All but one of the following statements would be regarded as evidence for this claim.
 
  A) The fossil record shows a mass extinction event 65 million years ago, where only 25 of the species survived.
  B) At least 150 craters from past impacts have been identified, including one of the right age and size in Mexico.
  C) A layer of iridium in 65-million year old sediments in the Earth's crust
  D) Multiple historical accounts describe a planetary-level flood and storm that wiped out most living things.

Question 2

Flares and prominences are more numerous during ________.
 
  Fill in the blank(s) with correct word


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amandalm

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Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

sunspot maximum


abc

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Reply 2 on: Jul 27, 2018
:D TYSM

Viet Thy

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Reply 3 on: Yesterday
Excellent

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