12/18 Environmental Science Fall Final Review

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What are Secondary Pollutants?

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Secondary pollutants are harmful substances formed when primary pollutants react with gases in the atmosphere. Examples include sulfuric acid and nitric acid.

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Where is most of the Earth's freshwater locked?

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Most of the Earth's freshwater (about 68.7%) is locked in ice caps and glaciers.

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What is Water Pollution?

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Water pollution refers to the changes in water quality that harm living organisms or make water unfit for drinking.

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What is Smog?

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Smog is an air pollutant that undergoes a reaction in the atmosphere and can damage the Earth's ozone layer.

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What is the difference between Groundwater and Surface Water?

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Groundwater is water that sinks through spaces in soil, gravel, and rock, while surface water is water stored in lakes, reservoirs, wetlands, streams, and rivers.

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What are Primary Pollutants?

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Primary pollutants are harmful substances that are directly emitted into the atmosphere, such as carbon monoxide and sulfur dioxide.

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What is an example of a Nonrenewable Resource?

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An example of a nonrenewable resource is fossil fuels, such as coal, oil, and natural gas.

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What is Acid Deposition?

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Acid deposition refers to the falling of acids from the atmosphere to the Earth's surface, often as rain, snow, or dust, which can harm ecosystems.

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What is an Aquifer?

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An aquifer is a geological formation that can store and transmit groundwater, providing a source of water for wells and springs.

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What is the Ozone Layer?

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The ozone layer is a region of Earth's stratosphere that contains a high concentration of ozone (O3) and protects living organisms from harmful ultraviolet (UV) radiation.