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Author Question: ________ are round, gram-positive bacteria arranged in chains, some of which are non-pathogenic, ... (Read 80 times)

bb

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on: Jun 25, 2018
________ are round, gram-positive bacteria arranged in chains, some of which are non-pathogenic, whereas others are dangerous to humans.
 
  a. Bacteria
  b. Viruses
  c. Streptococci
  d. Protozoa

Question 2

The lungs of smokers are usually ________.
 
  a. pink
  b. white
  c. black
  d. red


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stillxalice

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Reply #1 on: Jun 25, 2018
Answer to Question 1

c

Answer to Question 2

c


bb

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Reply 2 on: Jun 25, 2018
Gracias!

momolu

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

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