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AP Environmental Science Practice Quiz: Impacts of Mining

Written by AP Content Team, Verified for 2026 AP Exams, Last updated: May 2026

Test your understanding with short quizzes. This quiz has 15 questions to check your progress.

Question 1 of 15

In the context of surface mining, what is the term for the large portions of soil and rock that are removed to access the ore beneath?

All Questions (15)

In the context of surface mining, what is the term for the large portions of soil and rock that are removed to access the ore beneath?

A) Tailings

B) Slag

C) Overburden

D) Low-grade ore

Correct Answer: C

The provided text states that surface mining is the removal of large portions of soil and rock, which is referred to as overburden, to access the desired resource.

According to the text, what is a direct ecological consequence of removing vegetation during strip mining operations?

A) The area becomes more susceptible to erosion.

B) Groundwater is immediately recharged.

C) The release of methane gas decreases.

D) The cost of subsurface mining increases.

Correct Answer: A

The content explicitly states that the removal of vegetation during surface mining makes the area susceptible to erosion.

What is the primary reason mining operations are forced to access lower-grade ores?

A) Lower-grade ores are more profitable.

B) Subsurface mining has become too expensive.

C) More accessible, higher-grade ores have been mined to depletion.

D) Environmental regulations prohibit the mining of high-grade ores.

Correct Answer: C

The text indicates that 'As the more accessible ores are mined to depletion, mining operations are forced to access lower grade ores.'

Which of the following best describes the environmental trade-off associated with accessing lower-grade ores compared to higher-grade ores?

A) It requires less energy but produces more habitat destruction.

B) It is less expensive but contaminates more groundwater.

C) It requires increased use of resources, leading to more waste and pollution.

D) It produces less slag and tailings but releases more methane.

Correct Answer: C

The content states that accessing lower-grade ores 'requires increased use of resources that can cause increased waste and pollution.'

Slag and tailings are explicitly mentioned as examples of what?

A) Low-cost energy sources

B) Mining wastes

C) Accessible ores

D) Products made from mining

Correct Answer: B

The text directly identifies 'slag and tailings' as types of 'Mining wastes'.

Which of the following is identified as a primary economic benefit of mining?

A) It reduces soil erosion in mountainous areas.

B) It provides low-cost energy and materials for products.

C) It decreases the amount of dust particles in the atmosphere.

D) It is the only method to access clean groundwater.

Correct Answer: B

The content states that 'Mining provides low cost energy and material necessary to make products,' which is an economic benefit.

The mining of coal can lead to several negative environmental impacts. Which of the following is NOT listed as an impact of coal mining in the provided text?

A) Destruction of habitats

B) Contamination of ground water

C) Release of methane

D) Increased soil fertility

Correct Answer: D

The text lists habitat destruction, groundwater contamination, and the release of dust and methane as impacts of coal mining. It does not mention any increase in soil fertility; in fact, it implies the opposite by discussing the removal of soil and vegetation.

Under what circumstances does it become necessary to utilize expensive subsurface mining for coal extraction?

A) When surface mining causes too much erosion.

B) When the price of coal is at its lowest point.

C) When coal reserves get smaller and less accessible from the surface.

D) When there is a high demand for slag and tailings.

Correct Answer: C

The text states, 'As coal reserves get smaller, it becomes necessary to access coal through very expensive subsurface mining.'

A mining operation has significantly increased its water and energy consumption per ton of metal produced. This has also resulted in a larger volume of waste rock. Based on the provided text, what is the most likely cause for these changes?

A) The operation has switched from subsurface to surface mining.

B) The operation is now mining a lower-grade ore.

C) The operation has successfully mitigated all groundwater contamination.

D) The operation is now mining a more accessible, higher-grade ore.

Correct Answer: B

The text explains that as more accessible ores are depleted, operations must access lower-grade ores. This 'requires increased use of resources that can cause increased waste and pollution.' Increased water/energy use and more waste rock are direct results of this shift.

Which specific type of surface mining is mentioned as an example in the text?

A) Subsurface mining

B) Open-pit mining

C) Strip mining

D) Mountaintop removal

Correct Answer: C

The text provides 'strip mining' as a direct example of surface mining: 'Surface mining (e.g., strip mining)...'

Besides dust particles, what gas is specifically mentioned as being released during the mining of coal?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Methane

Correct Answer: D

The content explicitly states that 'The mining of coal can... release dust particles and methane.'

Which statement best summarizes the relationship between ore accessibility and the environmental impact of mining?

A) Mining more accessible ores has a greater environmental impact due to the use of heavy machinery.

B) As easily accessible ores are depleted, the environmental impact per unit of ore extracted tends to increase.

C) The accessibility of an ore has no relationship to the amount of waste and pollution generated.

D) Subsurface mining for less accessible ores is always less polluting than surface mining.

Correct Answer: B

The text explains that the depletion of accessible (high-grade) ores forces a shift to less accessible (low-grade) ores, which requires more resources and causes increased waste and pollution. Therefore, the environmental impact increases as accessibility decreases.

The contamination of which resource is listed as a potential ecological impact of coal mining?

A) The upper atmosphere

B) Ocean currents

C) Ground water

D) Surface snowpack

Correct Answer: C

The provided text clearly states that 'The mining of coal can... contaminate ground water.'

Based on the text, which of the following is a logical consequence of the continued depletion of global coal reserves?

A) A decrease in the overall cost of energy extraction.

B) A shift towards more expensive mining techniques like subsurface mining.

C) A reduction in mining waste products like slag and tailings.

D) A complete halt to all surface mining operations.

Correct Answer: B

The text directly links the shrinking of coal reserves to the necessity of using 'very expensive subsurface mining.' This implies that as reserves continue to deplete, there will be a greater reliance on such methods.

What is the primary purpose of natural resource extraction through mining, as described in the text?

A) To create wildlife habitats and restore ecosystems.

B) To obtain materials and energy for making products.

C) To study geological formations and rock layers.

D) To reduce soil erosion and prevent landslides.

Correct Answer: B

The text states that mining provides 'low cost energy and material necessary to make products,' identifying this as its core purpose.