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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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kay20213 kay20213
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6 years ago
All of the following are sources of phosphorus except
 
  a. inorganic fertilizer
  b. runoff of animal wastes from feedlots
  c. Detergents
  d. acid rain
  e. Rocks
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DRIGGS14DRIGGS14
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6 years ago
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jasonbourne
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6 years ago
Smart ... Thanks!
sudenzia
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Yesterday
You make an excellent tutor!
aznzergs
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2 hours ago
Thanks for your help!!
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