SCIN 140
American Military University
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Week_5_Trees_and_Carbon_Activity_Sheet_Revised.docx
- Exam (elaborations) • 5 pages • 2022
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Use the steps below to determine the of CO2 stored or released in an acre of forest. 
Calculations: 
1. (5 points) Calculate the average biomass per 100 m2 (10m x 10m plot) for the three plots 
in the Biomass Table. Thus average biomass per 100 m2 
 = _7735.25_ kg/100 m2 
(Hint: add the total biomass for each of the 3 plots and then divide by 3) 
2. (5 points) For this question, convert biomass per m2 
 to biomass per acre. Since 1 
acre = 4047 m2 
, multiply the average biomass per 100 m2 
 by ...
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Quiz 2 - Lessons 3&4.docx
- Exam (elaborations) • 6 pages • 2022
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Which of the following biomes is characterized by nutrient-rich soils, deciduous trees, and a 
climate with hot summers and cold winters? 
 
A. Tropical rainforest 
 
B. Temperate deciduous forest 
 
C. Temperate grassland 
 
D. Temperate rainforest 
Answer Key: B 
Feedback: A temperate deciduous forest is characterized by nutrient-rich soils, seasonal weather 
patterns, and vegetation dominated by deciduous trees. A tropical rainforest is characterized by 
tropical climate throughou...
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Week_5_Trees_and_Carbon_Activity_Sheet_Revised.docx
- Exam (elaborations) • 5 pages • 2022
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- $10.49
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1. (5 points) Calculate the average biomass per 100 m2 (10m x 10m plot) for the three plots 
in the Biomass Table. Thus average biomass per 100 m2 
 = _7735.25_ kg/100 m2 
(Hint: add the total biomass for each of the 3 plots and then divide by 3) 
2. (5 points) For this question, convert biomass per m2 
 to biomass per acre. Since 1 
acre = 4047 m2 
, multiply the average biomass per 100 m2 
 by 40.47. Thus average 
biomass per acre = _313,045.57 kg/acre 
(Hint: multiply your answer in (a) by 40...
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Quiz 3 - Lessons 5&6.docx 100% verified
- Exam (elaborations) • 7 pages • 2022
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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 drain...
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AMU SCIN 140 Quiz 3 - Lessons 5&6 Answered
- Exam (elaborations) • 7 pages • 2021
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Part 1 of 1 - 100.0/ 100.0 Points 
Question 1 of 10 
10.0/ 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 ...
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