AP Environmental Science - Unit 8 Review

What is Non-Point Source Pollution?

• Pollution that originates from a single, identifiable source.

• Pollution caused by runoff from various sources such as agricultural fields, urban areas, and forests.

• Pollution that is easily controlled and managed.

• Pollution that only affects water bodies.

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What is the process of eutrophication?

• The process of water purification through filtration.

• The enrichment of water bodies with nutrients, often leading to excessive growth of algae and depletion of oxygen.

• The natural process of sedimentation in lakes and rivers.

• The introduction of pollutants into water bodies causing harm to aquatic life.

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What causes Acid Mine Drainage?

• Water collecting in abandoned mines and dissolving the minerals there, becoming acidic.

• Heavy rainfall washing away surface minerals.

• Mining operations releasing untreated waste into rivers.

• Natural erosion of rocks in mountainous areas.

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What is the impact of thermal pollution on aquatic life?

• It can lead to low oxygen levels in water, which can harm fish and other aquatic organisms.

• It increases the growth of algae, which can benefit aquatic life.

• It raises the temperature of water, making it more suitable for all fish species.

• It has no significant impact on aquatic ecosystems.

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What is the primary function of Primary Sewage Treatment?

• The removal of large debris and objects from wastewater before further treatment.

• The disinfection of wastewater to kill harmful bacteria.

• The chemical treatment of wastewater to remove toxins.

• The filtration of wastewater to remove small particles.

What are Persistent Organic Pollutants (POPs)?

• Chemical substances that are easily broken down in the environment and do not accumulate in the food chain.

• Chemical substances that persist in the environment, bioaccumulate in the food chain, and pose risks to human health and the environment.

• Chemical substances that are only harmful to aquatic life and do not affect human health.

• Chemical substances that are used in agriculture and have no environmental impact.

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What is the purpose of environmental impact assessments (EIAs)?

• To evaluate the potential environmental effects of a proposed project before it is carried out.

• To assess the financial viability of a project after completion.

• To determine the social impact of a project on local communities.

• To analyze the historical significance of a project site.

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What is the significance of the Clean Water Act?

• A U.S. federal law aimed at regulating the discharge of pollutants into the waters of the United States and ensuring water quality.

• A state law focused on promoting water conservation practices among citizens.

• An international treaty aimed at reducing ocean pollution from ships.

• A local ordinance that mandates the treatment of wastewater before it is released into rivers.

What is the difference between point source and non-point source pollution?

• Point source pollution comes from multiple, diffuse sources, while non-point source pollution comes from a single, identifiable source.

• Point source pollution comes from a single, identifiable source, while non-point source pollution comes from multiple, diffuse sources.

• Point source pollution is always more harmful than non-point source pollution.

• Non-point source pollution is easier to control than point source pollution.

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What is acid rain?

• Precipitation that contains high levels of sulfuric or nitric acids, often resulting from industrial emissions.

• Rain that is safe to drink and contains no pollutants.

• A type of rain that occurs only in tropical regions.

• Rain that has a pleasant smell and is beneficial for plants.

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