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Home Q & A Board Biology-Related Homework Help General Biology
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m671 m671
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6 years ago
The Army and the Environmental Protection
  Agency are decreasing the contamination at the
  Army's Aberdeen Proving Grounds by
  a. removing contaminated soil.
  b. planting hybrid poplar trees.
  c. chemically degrading the contaminants.
  d. covering the contaminated soil with a
  sealant.
  e. doing none of these.

Question 2

Why does vascular cambium produce annual rings in xylem but not in phloem? What will be an ideal response?
 
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MikestreffMikestreff
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6 years ago
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m671 Author
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#2
6 years ago
Thank you for helping me with this assignment of mine
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