Air Pollution and Its Effects

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What is air pollution?
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Air pollution is the presence of harmful substances in the atmosphere that can affect health and the environment.
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What are common sources of air pollution?
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Common sources include vehicle emissions, industrial activity, burning fossil fuels, and deforestation.
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Name a type of primary air pollutant.
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Carbon monoxide is a primary air pollutant emitted directly from sources like car exhaust.
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What is a secondary pollutant?
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Secondary pollutants are not directly emitted but form in the atmosphere, such as ozone.
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How does air pollution affect human health?
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Air pollution can cause respiratory diseases, cardiovascular issues, and worsen asthma.
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What is smog?
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Smog is a type of air pollution characterized by a mixture of smoke and fog, often from vehicle emissions and industrial gases.
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How does acid rain form?
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Acid rain forms when sulfur dioxide and nitrogen oxides mix with water vapor in the atmosphere, creating acid.
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What is particulate matter?
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Particulate matter consists of tiny particles or droplets in the air, harmful when inhaled.
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How does air pollution impact animals and plants?
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Air pollution can harm animals by affecting their health and ecosystems, and damage plants by reducing growth and photosynthesis.
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What role do forests play in air quality?
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Forests improve air quality by absorbing carbon dioxide and releasing oxygen.
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What is an air quality index (AQI)?
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The AQI is a measurement that describes how clean or polluted the air is, and what associated health effects might be a concern.
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Why are children more vulnerable to air pollution?
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Children are more vulnerable because they have developing respiratory systems and breathe more air relative to their body weight.
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What actions can reduce air pollution?
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Using clean energy, reducing car trips, and promoting plant growth can help reduce air pollution.
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How does the Clean Air Act help reduce air pollution?
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The Clean Air Act sets standards to reduce emissions of harmful pollutants from industries and vehicles.
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What is sustainable transportation?
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Sustainable transportation includes options like electric vehicles, public transit, and cycling, which reduce pollution.
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