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Author Question: The practice of leaving crop residue on the field between plantings to help prevent soil erosion is ... (Read 96 times)

stevenposner

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on: Jul 14, 2018
The practice of leaving crop residue on the field between plantings to help prevent soil erosion is known as
 
  A) slash and burn agriculture.
  B) swidden.
  C) shifting cultivation.
  D) no-till agriculture.

Question 2

Mafic igneous rock, such as gabbro and basalt,
 
  A) are derived from magnesium and iron.
  B) have light coloration.
  C) are high in silicate minerals.
  D) have a low melting temperature.


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jgranad15

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Reply #1 on: Jul 14, 2018
Answer to Question 1

D

Answer to Question 2

A


stevenposner

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Reply 2 on: Jul 14, 2018
Excellent

meow1234

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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