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juhuyh juhuyh
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6 years ago
Which of the following is NOT involved in
  nitrogen fixation?
  a. breaking triple bonds
  b. production of ammonia
  c. production of NO3
 
  d. production of NH4
  +
  e. All of these are involved in nitrogen
  fixation

Question 2

Which of the following indicators of global
  warming has (have) occurred?
  a. increase in the temperature of the lower
  atmosphere
  b. rise in sea level
  c. global surface temperatures are increasing
  at a faster rate
  d. melting of glaciers
  e. all of these
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Kayla1Kayla1
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6 years ago
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juhuyh Author
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6 years ago
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