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Darryl2057 Darryl2057
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Posts: 509
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6 years ago
Like __________, phosphorus can only be taken up
  by plants in __________.
  a. carbon; ionized form
  b. nitrogen; compounds
  c. nitrogen; ionized form
  d. hydrogen; ionized form
  e. carbon; compounds

Question 2

About __________ percent of the nitrogen applied to
  fields runs off into rivers, lakes, and estuaries.
  a. 20
  b. 30
  c. 40
  d. 50
  e. 75
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prattasiprattasi
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Posts: 362
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6 years ago
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Darryl2057 Author
wrote...
6 years ago
Ready for finals now Monkey
wrote...
6 years ago
Good luck my friend!
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