AMU SCIN 140 Quiz 3 - Lessons 5&6 Answered

AMU SCIN 140 Quiz 3 - Lessons 5&6
Answered WITH VERIFIED QAS LATEST
2023-2024/ GRADED A

, Quiz 3 - Lessons 5&6
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Part 1 of 1 - 80.0/ 100.0 Points

Question 1 of 10
10..0 Points
Which of the following mining processes removes the top layers of soil, rock, and vegetation to
access minerals?


• A. Acid mine drainage



• B. Subsurface mining



• C. Smelting



• D. Surface mining



Answer Key:D
Feedback:Surface mining removes surface vegetation, rocks, and soil to create an open pit for
mining. Subsurface mining uses vertical or sloping shafts to access minerals deep underground.
Smelting melts ore to separate valuable minerals from impurities. Acid mine drainage occurs
when acidic pollution from mining drains into nearby water sources. Source: Lesson 5,
Classroom
Question 2 of 10
10..0 Points
Which of the following soil conservation issues occurs due to improper irrigation increasing the
soil’s salinity?


• A. Contour plowing




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