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Author Question: A painful disease in which oxygen-carrying red blood cells change into abnormal shapes is called: ... (Read 67 times)

crazycityslicker

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A painful disease in which oxygen-carrying red blood cells change into abnormal shapes is called:
 
  a. anemia
 b. natural blood selection
  c. trisomy 21
 d. sickle-cell anemia

Question 2

The only way to thoroughly investigate our past is to excavate sites where biological and cultural remains are found. Unfortunately, excavation results in the site's destruction.
 
  a. True
  b. False
  Indicate whether the statement is true or false



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bhavsar

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Answer to Question 1

d

Answer to Question 2

True




crazycityslicker

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Reply 2 on: Aug 11, 2018
YES! Correct, THANKS for helping me on my review


mammy1697

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Reply 3 on: Yesterday
Gracias!

 

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