Which of the following factors influence the rate of decomposition of waste in landfills?
The conditions that support microbial activity such as temperature, moisture and oxygen availability.
The presence of large animals that break down waste through physical processes.
The number of people disposing of waste daily.
The type of plastic used in landfill liners.
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Which of the following describes a disadvantage associated with the disposal of waste in landfills?
Once landfills have reached capacity the land is useless for other purposes.
Decomposing waste in landfills emits methane, a potent greenhouse gas that contributes to climate change.
Landfills improve soil quality and promote plant growth in surrounding areas.
Waste in landfills breaks down quickly without causing environmental harm.
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Which of the following is a correct description of potential advantages and disadvantages of sanitary landfills and incineration as methods of waste disposal?
Landfills do not pose a risk to human health but require a large area of land.
Incineration reduces waste volume but can produce harmful emissions such as dioxins.
Landfills pose no risk to groundwater contamination but require large energy inputs.
Incineration has low operation and maintenance costs but produces methane, a greenhouse gas.
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Which of the following describes an environmental problem caused by dumping plastic into the ocean?
Plastic breaks down into harmless substances that benefit marine life.
Plastic dissolves quickly in seawater, reducing pollution levels.
Marine animals can become ensnared in the plastic, leading to death.
Ocean currents prevent plastic from accumulating in specific areas.
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Which of the following describes an impact of plastic pollution on marine ecosystems?
It provides shelter for fish and helps coral reefs grow.
Marine animals can ingest plastic, leading to injury or death.
Plastic waste increases oxygen levels in the ocean, supporting aquatic life.
Ocean plastic helps regulate global temperatures by reflecting sunlight.
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Which of the following describes a problem associated with improperly disposed tires?
Discarded tires release toxic gases that directly cause infections in humans.
Old tires collect rainwater, creating breeding grounds for disease-carrying mosquitoes.
Used tires decompose quickly, leaching chemicals into groundwater.
Tires take up a lot of space in landfills, so the landfills can quickly be filled to capacity, capped and another facility constructed.
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Which of the following is an effective strategy to reduce the impact of discarded tires?
Burying tires deeper in the landfill to reduce exposure to oxygen.
Burning tires in landfills to reduce their volume.
Stockpile discarded tires on public land.
Shredding tires and recycling them into new products like rubber mats and playground surfaces.
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Which of the following identifies the primary goal of the Resource Conservation and Recovery Act (RCRA)?
To reduce the amount of waste sent to landfills by encouraging recycling and resource recovery.
To establish laws for the disposal of nuclear waste in the ocean.
To reclaim abandoned mine lands and regulate active coal mines.
To regulate water quality and reduce harmful chemical runoff into rivers and lakes.
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Which of the following laws gives the U.S EPA authority to clean up uncontrolled or abandoned hazardous waste sites and hold responsible parties liable for the cleanup costs?
Delaney Clause
Safe Drinking Water Act
Resource Conservation and Recovery Act
Comprehensive Environmental Responsibility Compensation and Liability Act
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Which U.S Federal Law is also known as the “Superfund”?
Delaney Clause
Safe Drinking Water Act
Resource Conservation and Recovery Act
Comprehensive Environmental Responsibility Compensation and Liability Act
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Which U.S federal law is often referred to as “Cradle to Grave”?
Delaney Clause
Safe Drinking Water Act
Resource Conservation and Recovery Act
Comprehensive Environmental Responsibility Compensation and Liability Act
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Which of the following best describes e-waste?
Waste generated from agricultural activities, such as crop residue and manure that is broken down by plant enzymes.
Discarded electronic devices, such as computers, cell phones, and televisions, that may contain hazardous materials.
Biodegradable household waste, such as food scraps and paper products.
Industrial waste from factories that includes heavy metals and chemicals.
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