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Author Question: Subsurface drains have been made by all of the following materials EXCEPT ____. a. clay b. lead ... (Read 36 times)

kfurse

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on: Jul 21, 2018
Subsurface drains have been made by all of the following materials EXCEPT ____.
 
 

a. clay
  b. lead
  c. concrete
  d. plastic



Question 2

Surface drainage may be improved by ____.
 
 

a. land grading
  b. certain tillage practices
  c. berms



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daiying98

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Reply #1 on: Jul 21, 2018
Answer to Question 1

B

Answer to Question 2

A


kfurse

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Reply 2 on: Jul 21, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Excellent

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