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The first step in surface coal mining is: A. to use heavy equipment to take core samples B. to test and see if quarrying would be more effective C. to remove and set aside the soil that covers the area to be mined D. to make cuts in the coal for easier removal
The first step in surface coal mining is: to remove and set aside the soil that covers the area to be mined.
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Asked 9/18/2012 12:12:46 PM
Updated 1/9/2015 11:52:17 AM
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The first step in surface coal mining is: to remove and set aside the soil that covers the area to be mined.


Added 1/9/2015 11:52:17 AM
This answer has been confirmed as correct and helpful.
Confirmed by andrewpallarca [1/9/2015 11:53:25 AM]
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Nuclear fission releases a tremendous amount of energy as well as more neutrons, which, in turn, collide with more uranium nuclei. A. True B. False
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Nuclear fission releases a tremendous amount of energy as well as more neutrons, which, in turn, collide with more uranium nuclei. TRUE.
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C. the number of oil refineries operating in the past

The number of oil refineries operating in the past does NOT help predict future oil production.
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Which of the following describes soil and temperature in an ecosystem? A. selection factors B. biotic factors C. abiotic factors D. unnecessary factors
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Updated 10/6/2014 3:05:44 PM
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Abiotic factors describes soil and temperature in an ecosystem.

Added 10/6/2014 3:05:44 PM
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Confirmed by Janet17 [9/26/2016 11:12:04 AM]
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