Environmental and Economic Impacts of Resource Extraction*
Answer all questions. Where calculations are required clearly show how you arrived at your answer. Where explanation or discussion is required, support your answers with relevant information and/or specific examples.
Group 1
Crude oil is extracted, transported, and refined for various uses by humans.
Question 1a
Describe one environmental impact on marine ecosystems associated with extraction or transportation of crude oil.
Question 1b
Identify an atmospheric pollutant released during the combustion of refined oil products.
Question 1c
Propose a solution an individual can use to reduce their reliance on refined oil products for transportation.
Question 1d
Justify the solution proposed in the question above by providing a benefit to human health.
Group 2
Other natural resources, such as gold and silver, are also extracted. These resources can be used to make components for the electronics humans use. One metric ton of gold ore contains 5.0 grams of gold.
Question 2a
A deposit is estimated to contain 260 million metric tons of gold ore. Calculate the number of grams of gold that could be extracted from the deposit. Show your work.
Question 2b
Assuming the price of gold is $62.56 per gram, calculate the value of the gold that could be recovered from 1,000 metric tons of gold ore in the deposit. Show your work.
Question 2c
A typical cell phone contains 0.034 grams of gold. Calculate how many metric tons of gold ore would need to be mined to extract enough gold to manufacture 100,000 cell phones. Show your work.
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