AP Environmental Science Quiz: Renewable And Nonrenewable Resources

What this quiz covers

This quiz focuses on Renewable And Nonrenewable Resources, giving you a quick way to practice the rules, question types, and explanations that matter most for AP Environmental Science.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. Natural gas is renewable; solar is nonrenewable
2. Natural gas is nonrenewable; solar is renewable (correct answer)
3. Both are renewable because both reduce reliance on coal
4. Both are nonrenewable because both require equipment

Explanation: Natural gas is a nonrenewable fossil fuel extracted from finite underground reservoirs formed over geologic time. Solar energy is renewable as it arrives continuously from the sun without depletion. The correct statement identifies natural gas as nonrenewable and solar as renewable based on replenishment rates. Options A, C, and D are incorrect, as renewability is not about reversing classifications, reducing coal use, or requiring equipment. This distinction is important for communities evaluating energy options for sustainability.

Question 2

1. River flow used for hydropower
2. Iron ore (correct answer)
3. Rainfall
4. Seasonal snowmelt

Explanation: Nonrenewable resources, such as minerals like iron ore, form over geologic timescales and exist in finite quantities that cannot be replenished quickly enough for human use. Renewable resources, like river flow for hydropower, are part of ongoing natural cycles, such as the water cycle, which continuously replenishes them through precipitation and runoff. In this case, iron ore is nonrenewable because its deposits are limited and extraction depletes them without rapid replacement. River flow, rainfall, and seasonal snowmelt are all renewable as they are sustained by atmospheric and hydrologic processes. The correct answer highlights iron ore as nonrenewable, emphasizing the importance of distinguishing between resources based on formation and replenishment rates in resource management.

Question 3

1. Fast-growing grasses used as biomass
2. Coal (correct answer)
3. Both regenerate at similar rates
4. Both are renewable because they come from plants

Explanation: Nonrenewable resources have slow regeneration like coal over millions of years, while biomass from fast-growing grasses regenerates in 2–3 years. Coal is nonrenewable on human timescales. Biomass is renewable if managed. They don't regenerate at similar rates or both be renewable just from plant origins. The slower regeneration resource is coal. This informs grid power sources.

Question 4

1. Sunlight used by rooftop solar
2. Bauxite ore used to make aluminum (correct answer)
3. Wind that cools the solar panels
4. Rainwater collected for cleaning equipment

Explanation: Nonrenewable resources are finite and deplete without quick replenishment, like mineral ores, while renewable ones like sunlight are continuously available. Bauxite ore for aluminum is nonrenewable because it's mined from limited deposits formed over geologic time. Sunlight for rooftop solar is renewable as it's replenished daily. Wind and rainwater are also renewable, but the question identifies the nonrenewable one in the scenario. This highlights how manufacturing can involve both resource types. The correct identification is bauxite ore.

Question 5

1. Wind
2. Uranium (correct answer)
3. Moving air in the atmosphere
4. Sunlight driving wind patterns

Explanation: Nonrenewable resources are finite and do not replenish quickly, like uranium ore, whereas renewable ones like wind are continuously available. Uranium for nuclear plants is nonrenewable because it's mined from limited deposits. Wind for turbines is renewable, driven by ongoing atmospheric processes. Moving air and sunlight are aspects of wind's renewability. The question asks for the nonrenewable resource in the proposals. Thus, uranium is correctly classified as nonrenewable.

Question 6

1. Lithium is renewable; wind is nonrenewable
2. Lithium is nonrenewable; wind is renewable (correct answer)
3. Both are renewable because both support clean technology
4. Both are nonrenewable because both require mining and manufacturing

Explanation: Nonrenewable resources like lithium are mined from finite deposits, while renewable ones like wind are ongoing. Lithium is nonrenewable due to limited mineral sources. Wind is renewable with continuous atmospheric replenishment. Clean technology support or mining needs don't make both renewable or nonrenewable. The correct classification is lithium as nonrenewable and wind as renewable. This is important for battery and energy planning.

Question 7

1. Offshore petroleum extraction, because oil can be produced as long as demand exists
2. Onshore wind, because wind is replenished continuously on human timescales (correct answer)
3. Offshore petroleum extraction, because oil is part of the short‑term carbon cycle
4. Both are equally renewable if managed carefully

Explanation: Sustainable resources are renewable like onshore wind, replenished continuously, while petroleum is nonrenewable and finite. Onshore wind is more sustainable for long-term availability over centuries. Petroleum isn't renewable via demand or short-term cycles. Both aren't equally renewable; management doesn't make oil renewable. The sustainable option is onshore wind. This aids national energy security planning.

Question 8

1. Solar radiation
2. Compressed natural gas (correct answer)
3. Wind patterns affected by solar heating
4. Daylight

Explanation: Nonrenewable resources like compressed natural gas (CNG) are fossil fuels, while solar radiation is continuously replenished. CNG is nonrenewable from finite reserves. Solar radiation, wind patterns, and daylight are renewable. The nonrenewable resource is CNG. Switching to solar electricity would use a renewable source. This is relevant for transportation fleets.

Question 9

1. Natural gas is renewable; wind is nonrenewable; choose natural gas because it is easier to store.
2. Natural gas is nonrenewable; wind is renewable; choose wind because it replenishes on human timescales. (correct answer)
3. Both natural gas and wind are renewable because both come from natural processes.
4. Both natural gas and wind are nonrenewable because both require industrial equipment to use.

Explanation: Renewable resources are those that can be replenished naturally on human timescales (typically within decades), while nonrenewable resources form over geological timescales (millions of years) and cannot be replaced once consumed. Natural gas is a fossil fuel that formed from ancient organic matter over millions of years in underground reservoirs, making it definitively nonrenewable. Wind, on the other hand, is created by atmospheric processes driven by solar heating and Earth's rotation, continuously replenishing itself. Option B correctly identifies natural gas as nonrenewable and wind as renewable. Choosing wind supports long-term sustainability because it will continue to be available indefinitely, whereas natural gas reserves are finite and will eventually be depleted.

Question 10

1. Hydropower: nonrenewable; Peat: renewable
2. Hydropower: renewable; Peat: nonrenewable on a human timescale (correct answer)
3. Hydropower: renewable; Peat: renewable because plants regrow each year
4. Hydropower: nonrenewable because dams are permanent; Peat: nonrenewable only if wetlands are protected

Explanation: Hydropower and peat represent vastly different regeneration timescales, determining their renewable/nonrenewable classification. Hydropower is renewable because it harnesses energy from flowing water, which is continuously replenished through the water cycle - precipitation falls, flows through rivers, evaporates, and repeats on timescales of days to years. As long as precipitation patterns continue, rivers will flow and hydropower remains available. Peat, however, forms extremely slowly from partially decomposed plant matter in waterlogged conditions, accumulating at rates of only about 1mm per year - taking centuries to millennia to form deposits of harvestable thickness. Since peat forms far more slowly than it can be harvested and burned, it's effectively nonrenewable on human timescales despite being biological in origin. The fact that wetland plants regrow annually doesn't make peat renewable, as peat formation requires specific anaerobic conditions over very long periods.

Question 11

1. Both are renewable because agriculture is renewable
2. Wind-powered irrigation is renewable; natural-gas-dependent fertilizer input relies on a nonrenewable resource (correct answer)
3. Both are nonrenewable because wind turbines use metal
4. Fertilizer is renewable because nitrogen is abundant in the atmosphere, so no nonrenewable inputs are involved

Explanation: The classification of resources depends on the entire production chain, not just the final product. While crops themselves are renewable because they grow annually, the inputs used to grow them may rely on nonrenewable resources. Wind turbines generate electricity from moving air, a renewable resource that continues as long as atmospheric processes occur. The Haber-Bosch process for producing nitrogen fertilizer typically uses natural gas both as a hydrogen source and for energy, consuming significant amounts of this fossil fuel. Natural gas formed over millions of years and cannot be replenished on human timescales, making it nonrenewable. Therefore, while wind-powered irrigation uses renewable energy, fertilizer production depends heavily on nonrenewable natural gas (option B), regardless of nitrogen's abundance in the atmosphere.

Question 12

1. Willow biomass
2. Petroleum coke (correct answer)
3. Both are renewable because both are carbon-based
4. Both are nonrenewable because both are combusted

Explanation: Nonrenewable fuels like petroleum coke are byproducts of finite crude oil refining, derived from fossil deposits that form over millions of years. Renewable fuels, such as willow biomass, come from fast-growing plants harvested every few years, allowing regrowth to match use. Petroleum coke is nonrenewable due to its dependence on limited oil reserves. Willow is renewable if managed sustainably. Options C and D misclassify based on carbon content or combustion rather than origin and replenishment. This comparison informs companies on sustainable fuel choices for energy production.

Question 13

1. Iron ore
2. Lumber from a managed forest (correct answer)
3. Both are nonrenewable because both are used in construction
4. Both are renewable because both can be traded internationally

Explanation: Renewable resources like lumber from managed forests regrow on human timescales, typically decades, through sustainable harvesting and replanting. Nonrenewable resources, such as iron ore for steel, come from finite mineral deposits formed over geologic time. In building materials, lumber is renewable if forests are certified sustainable, ensuring regrowth matches use. Iron ore is nonrenewable due to depletion without rapid replacement. Options C and D wrongly equate renewability to use or trade rather than replenishment. This knowledge guides cities toward eco-friendly construction choices.

Question 14

1. Diesel fuel
2. Ocean wave energy (correct answer)
3. Both are nonrenewable because both depend on technology
4. Both are renewable because both can be shipped in regularly

Explanation: Renewable resources replenish naturally on short timescales, like ocean waves driven by wind and tides, whereas nonrenewable ones like diesel fuel come from finite petroleum reserves. Ocean wave energy is renewable because wave motion is continuous and not depleted by harvesting. Diesel fuel is nonrenewable as it relies on extracting limited fossil fuels formed over geologic time. Options C and D are incorrect because renewability depends on natural replenishment, not technology or shipping. This example illustrates how islands can leverage local renewable resources to achieve energy independence and reduce environmental impacts.

Question 15

1. Wind is renewable and replenishes quickly; tar sands are nonrenewable and replenish extremely slowly (correct answer)
2. Wind is nonrenewable because turbines wear out; tar sands are renewable because oil can be refined repeatedly
3. Both are renewable because both can produce energy for decades
4. Both are nonrenewable because both can cause environmental impacts

Explanation: Renewable resources like wind replenish quickly, while nonrenewable ones like tar sands form over geologic time. Wind is renewable with continuous replenishment; tar sands are nonrenewable with extremely slow regeneration. Turbine wear or environmental impacts don't define renewability; it's the resource itself. Both aren't renewable just for longevity or nonrenewable for impacts. The accurate comparison is wind as renewable and tar sands as nonrenewable. This aids in sustainable energy choices.

Question 16

1. Renewable, because all water is part of the water cycle regardless of withdrawal rate
2. Nonrenewable (effectively), because withdrawals exceed recharge, making it unsustainable on a human timescale (correct answer)
3. Renewable, because aquifers always refill quickly once pumping stops
4. Nonrenewable, because groundwater is created only by volcanic activity

Explanation: While groundwater is technically part of the renewable water cycle, it can become effectively nonrenewable when withdrawal rates exceed recharge rates. In this scenario, the aquifer recharges at 20 million m³/year but withdrawals are 35 million m³/year, creating a deficit of 15 million m³/year. This overdraft means the aquifer is being depleted faster than nature can replenish it, making it unsustainable and effectively nonrenewable on human timescales. Unlike surface water that might recharge seasonally, aquifers can take decades to centuries to refill once depleted, especially if water tables drop significantly. The classification depends on the balance between recharge and withdrawal rates, not just participation in the water cycle. When overdrafted, groundwater behaves like a nonrenewable resource being mined rather than sustainably harvested.

Question 17

1. Lithium: renewable; Copper: renewable; Wind electricity: nonrenewable
2. Lithium: nonrenewable; Copper: renewable; Wind electricity: nonrenewable
3. Lithium: nonrenewable; Copper: nonrenewable; Wind electricity: renewable (correct answer)
4. Lithium: renewable; Copper: nonrenewable; Wind electricity: renewable

Explanation: Resources are classified as renewable or nonrenewable based on their regeneration rates relative to human timescales. Lithium and copper are both metallic elements found in ore deposits that formed through geological processes over millions of years. Once mined and used, these metals cannot be naturally replenished within human lifetimes, making them nonrenewable resources. Wind, on the other hand, is driven by atmospheric pressure differences caused by solar heating and Earth's rotation, processes that occur continuously. Wind energy is therefore renewable because the wind will continue blowing as long as the sun shines and Earth rotates. The correct classification is lithium: nonrenewable, copper: nonrenewable, and wind electricity: renewable (option C).

Question 18

1. Propane is renewable because it is a gas; biomass is nonrenewable because it is burned.
2. Propane is nonrenewable because it comes from fossil sources; biomass can be renewable if regrowth matches harvest rates. (correct answer)
3. Both are nonrenewable because combustion permanently destroys matter.
4. Both are renewable because both can be transported and replaced.

Explanation: Resource renewability depends on the source material's regeneration rate relative to human use, not on its physical state or combustion properties. Propane is typically derived from natural gas processing or petroleum refining, both involving fossil fuels that formed over millions of years, making propane definitively nonrenewable. Biomass from fast-growing grasses represents stored solar energy captured through photosynthesis and can be renewable if managed properly—the key condition being that harvest rates don't exceed regrowth rates. Option B correctly identifies propane as nonrenewable due to its fossil origin and biomass as potentially renewable with sustainable management. The fact that both are burned doesn't affect their renewability classification; combustion simply releases stored energy, and in the case of sustainably managed biomass, new plants can recapture carbon through photosynthesis. This illustrates the importance of sustainable yield management for renewable resources.

Question 19

1. Renewable, because all water is part of the water cycle
2. Nonrenewable (functionally), because withdrawals exceed recharge (correct answer)
3. Renewable, because aquifers refill instantly after pumping stops
4. Nonrenewable, because groundwater is always a fossil fuel

Explanation: While groundwater is technically part of the water cycle and can be renewable, its classification depends on the balance between withdrawal rates and natural recharge rates. In this case, the aquifer recharges at 10 million m³/year but the city withdraws 25 million m³/year, creating a deficit of 15 million m³/year. This means the aquifer is being depleted faster than nature can replenish it, similar to mining a finite resource. Under these conditions, the groundwater is functionally nonrenewable on human timescales because continued withdrawal at this rate will exhaust the resource before it can naturally recover. The correct answer recognizes that excessive withdrawal rates can make even potentially renewable resources effectively nonrenewable (option B).

Question 20

1. Offshore wind farm
2. Rooftop solar panels
3. Natural-gas power plant (correct answer)
4. All of the options rely primarily on renewable resources

Explanation: Renewable resources regenerate naturally on human timescales (typically within decades), while nonrenewable resources form over geological timescales (millions of years) and are depleted faster than they can be replaced. Wind and solar energy are renewable because wind patterns and sunlight are continuously available and replenished by natural processes. Natural gas, however, is a fossil fuel formed from ancient organic matter over millions of years in underground reservoirs. Once extracted and burned, natural gas cannot be replaced within human lifetimes. The natural-gas power plant (option C) is the only choice that relies primarily on a nonrenewable resource, while the offshore wind farm and rooftop solar panels utilize renewable energy sources.