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Author Question: A painful disease in which oxygen-carrying red blood cells change into abnormal shapes is called: ... (Read 89 times)

crazycityslicker

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on: Aug 11, 2018
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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Reply #1 on: Aug 11, 2018
Answer to Question 1

d

Answer to Question 2

True


crazycityslicker

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Reply 2 on: Aug 11, 2018
Thanks for the timely response, appreciate it

rachel

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Reply 3 on: Yesterday
Excellent

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