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Madam Madam
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6 years ago
Digging downward through a soil profile, how deep would you have to go before you found recognizable fragments of the parent rock for the soil?
 
  A) A B) B C) C D) E
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meek2199meek2199
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6 years ago
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Madam Author
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6 years ago
Thank you, thank you, thank you!
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Yesterday
This helped my grade so much Perfect
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2 hours ago
Brilliant
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