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Author Question: _____ has/have become the manufacturing centers for many substances that have made the lives of ... (Read 91 times)

penza

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_____ has/have become the manufacturing centers for many substances that have made the lives of humans better and more productive.
 
  A) Insulin
  B) Bacteria
  C) Viruses
  D) Vaccines

Question 2

When the mock green is in bloom, the fragrance is often apparent before the plant is seen.
 
  Indicate whether the statement is true or false



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Toya9913

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Answer to Question 1

B

Answer to Question 2

False




penza

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Reply 2 on: Jul 21, 2018
Wow, this really help


sultansheikh

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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