Pollution and Human Health - AP Environmental Science
Card 1 of 30
What is a common source of dioxins in the environment?
What is a common source of dioxins in the environment?
Tap to reveal answer
Industrial waste incineration. High-temperature burning releases these persistent organic pollutants into air.
Industrial waste incineration. High-temperature burning releases these persistent organic pollutants into air.
← Didn't Know|Knew It →
What is a primary source of phosphorus in water bodies?
What is a primary source of phosphorus in water bodies?
Tap to reveal answer
Fertilizer runoff. Agricultural fertilizers contain phosphorus that washes into waterways during rainfall.
Fertilizer runoff. Agricultural fertilizers contain phosphorus that washes into waterways during rainfall.
← Didn't Know|Knew It →
Identify a pollution control method for reducing nitrogen oxides.
Identify a pollution control method for reducing nitrogen oxides.
Tap to reveal answer
Catalytic converters. Convert nitrogen oxides to harmless nitrogen and water in vehicle exhaust.
Catalytic converters. Convert nitrogen oxides to harmless nitrogen and water in vehicle exhaust.
← Didn't Know|Knew It →
State one health effect of lead exposure.
State one health effect of lead exposure.
Tap to reveal answer
Neurological damage. Lead accumulates in the brain, disrupting neural development and function.
Neurological damage. Lead accumulates in the brain, disrupting neural development and function.
← Didn't Know|Knew It →
What is the chemical formula for ozone?
What is the chemical formula for ozone?
Tap to reveal answer
$O_3$. Three oxygen atoms bonded together form this reactive gas molecule.
$O_3$. Three oxygen atoms bonded together form this reactive gas molecule.
← Didn't Know|Knew It →
State one health risk associated with high ozone levels.
State one health risk associated with high ozone levels.
Tap to reveal answer
Respiratory irritation. Ground-level ozone inflames airways and reduces lung function.
Respiratory irritation. Ground-level ozone inflames airways and reduces lung function.
← Didn't Know|Knew It →
What is the primary source of radon gas indoors?
What is the primary source of radon gas indoors?
Tap to reveal answer
Natural decay of uranium in soil. Uranium in rocks and soil naturally decays, releasing radioactive radon gas.
Natural decay of uranium in soil. Uranium in rocks and soil naturally decays, releasing radioactive radon gas.
← Didn't Know|Knew It →
What is the primary effect of carbon monoxide on human health?
What is the primary effect of carbon monoxide on human health?
Tap to reveal answer
Reduced oxygen delivery to the body's organs. Binds to hemoglobin more readily than oxygen, causing oxygen starvation.
Reduced oxygen delivery to the body's organs. Binds to hemoglobin more readily than oxygen, causing oxygen starvation.
← Didn't Know|Knew It →
Which pollutant is primarily responsible for the depletion of the ozone layer?
Which pollutant is primarily responsible for the depletion of the ozone layer?
Tap to reveal answer
Chlorofluorocarbons (CFCs). Break down ozone molecules in the stratosphere through catalytic reactions.
Chlorofluorocarbons (CFCs). Break down ozone molecules in the stratosphere through catalytic reactions.
← Didn't Know|Knew It →
What is the definition of 'water pollution'?
What is the definition of 'water pollution'?
Tap to reveal answer
Contamination of water bodies by harmful substances. Includes chemical, biological, and physical pollutants that degrade water quality.
Contamination of water bodies by harmful substances. Includes chemical, biological, and physical pollutants that degrade water quality.
← Didn't Know|Knew It →
State one health risk associated with high ozone levels.
State one health risk associated with high ozone levels.
Tap to reveal answer
Respiratory irritation. Ground-level ozone inflames airways and reduces lung function.
Respiratory irritation. Ground-level ozone inflames airways and reduces lung function.
← Didn't Know|Knew It →
Identify a primary source of noise pollution.
Identify a primary source of noise pollution.
Tap to reveal answer
Transportation vehicles. Cars, trucks, and airplanes generate significant mechanical and engine noise.
Transportation vehicles. Cars, trucks, and airplanes generate significant mechanical and engine noise.
← Didn't Know|Knew It →
State one health effect of lead exposure.
State one health effect of lead exposure.
Tap to reveal answer
Neurological damage. Lead accumulates in the brain, disrupting neural development and function.
Neurological damage. Lead accumulates in the brain, disrupting neural development and function.
← Didn't Know|Knew It →
Identify the main component of photochemical smog.
Identify the main component of photochemical smog.
Tap to reveal answer
Ozone ($O_3$). Forms when sunlight triggers reactions between nitrogen oxides and volatile organic compounds.
Ozone ($O_3$). Forms when sunlight triggers reactions between nitrogen oxides and volatile organic compounds.
← Didn't Know|Knew It →
State the main effect of carbon dioxide as a pollutant.
State the main effect of carbon dioxide as a pollutant.
Tap to reveal answer
Contribution to global warming. Traps heat in atmosphere, enhancing the greenhouse effect.
Contribution to global warming. Traps heat in atmosphere, enhancing the greenhouse effect.
← Didn't Know|Knew It →
Which indoor pollutant is a byproduct of combustion?
Which indoor pollutant is a byproduct of combustion?
Tap to reveal answer
Carbon monoxide (CO). Incomplete burning of fuels in stoves, heaters, and fireplaces produces CO.
Carbon monoxide (CO). Incomplete burning of fuels in stoves, heaters, and fireplaces produces CO.
← Didn't Know|Knew It →
Name a common source of non-point source pollution.
Name a common source of non-point source pollution.
Tap to reveal answer
Agricultural runoff. Fertilizers and pesticides from farms spread over large areas without specific discharge points.
Agricultural runoff. Fertilizers and pesticides from farms spread over large areas without specific discharge points.
← Didn't Know|Knew It →
What is the primary cause of thermal pollution?
What is the primary cause of thermal pollution?
Tap to reveal answer
Discharge of heated water from industrial processes. Power plants and factories release hot water that raises aquatic temperatures.
Discharge of heated water from industrial processes. Power plants and factories release hot water that raises aquatic temperatures.
← Didn't Know|Knew It →
What is the main greenhouse gas emitted from agricultural activities?
What is the main greenhouse gas emitted from agricultural activities?
Tap to reveal answer
Methane ($CH_4$). Livestock digestion and rice cultivation produce significant methane emissions.
Methane ($CH_4$). Livestock digestion and rice cultivation produce significant methane emissions.
← Didn't Know|Knew It →
What is a major source of mercury pollution?
What is a major source of mercury pollution?
Tap to reveal answer
Coal-fired power plants. Coal contains mercury impurities released during combustion.
Coal-fired power plants. Coal contains mercury impurities released during combustion.
← Didn't Know|Knew It →
What is the main source of chlorofluorocarbons (CFCs)?
What is the main source of chlorofluorocarbons (CFCs)?
Tap to reveal answer
Refrigerants and aerosol propellants. Used in cooling systems and spray products before being phased out.
Refrigerants and aerosol propellants. Used in cooling systems and spray products before being phased out.
← Didn't Know|Knew It →
Which heavy metal contaminant is commonly found in industrial wastewater?
Which heavy metal contaminant is commonly found in industrial wastewater?
Tap to reveal answer
Mercury. Used in industrial processes and persists in water, accumulating in organisms.
Mercury. Used in industrial processes and persists in water, accumulating in organisms.
← Didn't Know|Knew It →
What is the main consequence of eutrophication in aquatic environments?
What is the main consequence of eutrophication in aquatic environments?
Tap to reveal answer
Decreased oxygen levels. Excess nutrients fuel algae growth, which depletes oxygen when decomposing.
Decreased oxygen levels. Excess nutrients fuel algae growth, which depletes oxygen when decomposing.
← Didn't Know|Knew It →
Which air pollutant is commonly associated with vehicle emissions?
Which air pollutant is commonly associated with vehicle emissions?
Tap to reveal answer
Carbon monoxide (CO). Incomplete fuel combustion in engines produces this odorless, toxic gas.
Carbon monoxide (CO). Incomplete fuel combustion in engines produces this odorless, toxic gas.
← Didn't Know|Knew It →
What is the definition of 'air pollution'?
What is the definition of 'air pollution'?
Tap to reveal answer
Air pollution is the presence of harmful substances in the atmosphere. Includes gases, particles, and chemicals that harm human health and the environment.
Air pollution is the presence of harmful substances in the atmosphere. Includes gases, particles, and chemicals that harm human health and the environment.
← Didn't Know|Knew It →
Identify a key indicator of water quality.
Identify a key indicator of water quality.
Tap to reveal answer
Dissolved oxygen levels. Low oxygen indicates organic pollution and ecosystem stress.
Dissolved oxygen levels. Low oxygen indicates organic pollution and ecosystem stress.
← Didn't Know|Knew It →
Identify a common effect of waterborne pathogens on human health.
Identify a common effect of waterborne pathogens on human health.
Tap to reveal answer
Gastrointestinal illness. Bacteria, viruses, and parasites in contaminated water cause digestive infections.
Gastrointestinal illness. Bacteria, viruses, and parasites in contaminated water cause digestive infections.
← Didn't Know|Knew It →
What is the primary source of nitrogen oxides in urban areas?
What is the primary source of nitrogen oxides in urban areas?
Tap to reveal answer
Vehicle emissions. High-temperature combustion in engines produces nitrogen oxides from atmospheric nitrogen.
Vehicle emissions. High-temperature combustion in engines produces nitrogen oxides from atmospheric nitrogen.
← Didn't Know|Knew It →
What is the main source of particulate matter in urban areas?
What is the main source of particulate matter in urban areas?
Tap to reveal answer
Vehicle emissions and industrial activities. Combustion and mechanical processes release fine particles into urban air.
Vehicle emissions and industrial activities. Combustion and mechanical processes release fine particles into urban air.
← Didn't Know|Knew It →
Identify a health effect of chronic exposure to benzene.
Identify a health effect of chronic exposure to benzene.
Tap to reveal answer
Leukemia. Benzene damages bone marrow, leading to blood cancer development.
Leukemia. Benzene damages bone marrow, leading to blood cancer development.
← Didn't Know|Knew It →