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Which of the following statements does not describe a problem associated with modern landfills?
Materials buried in landfills decompose in three years.
According to the text, what is the most helpful thing that a consumer can do to make sure that more materials are recycled?
Make an effort to buy products made from recycled materials whenever possible.
Which of the following produces the most solid waste?
Which items make up the largest percentage of waste produced by households and businesses?
What percentage of the energy needed to make aluminum cans from ore is needed to make recycled aluminum cans from used aluminum cans?
Which of the following correctly describes the disposal of waste by composting?
Composting could reduce the amount of waste that restaurants, food-processing plants, and animal feedlots send to landfills.
Which of the following correctly describes biodegradable plastics?
all of the above
Which of the following is not considered hazardous waste?
rotting meat and other food w
Under the Superfund Act,
the EPA may sue companies that dump hazardous waste illegally.
Some hazardous waste is disposed of by deep-well injection. This procedure
stores wastes in layers of dry rock below the water table.
The methane found in landfills is a gas that
may be captured and used to produce energy.
Which of the following is a true statement about recycling?
After they are collected, recyclable materials are cleaned and processed.
The process of composting
could effectively handle a variety of wastes.
The main problem with so-called biodegradable plastic is that
only its organic portion actually decomposes.
Which of the following is not a method of reducing hazardous waste?
allowing fungi to break down petroleum sludge
A common characteristic of all hazardous-waste land-disposal facilities is that they
are long term storage sites
From 1970 to the present, the percentage of waste that is recycled has
b. increased from 6.6 percent to 28 percent.
An example of source reduction is
using canvas shopping bags.
Making products from recycled materials
often saves energy and other resources during the manufacturing process.
Which regulation requires producers of hazardous wastes to document how their wastes are handled?
the Resource Conservation and Recovery Act
According to the United States Environmental Protection Agency (EPA), what percentage of the approved or proposed Superfund sites have been cleaned up?
75 out of 1,200
An example of something that is biodegradable is
a leaf in a compost pile
Which of the following is not a requirement for a landfill built today?
It must be a specified distance from a city or other populated area.
Which of the following are problems associated with landfills?
leachate and methane production
A material is biodegradable if
it can be broken down by biological processes.
Materials that are formed naturally are _.
An advantage of a solid waste _ is that it reduces the amount of trash destined for landfills.
More than half of the solid waste produced in the United States comes from _.
The total amount of solid waste generated in the United States in the last 40 years has _.
Problems associated with _ include leachate, methane gas, and inadequate space.
Disposing of hazardous wastes by pumping them into the ground below groundwater level is called _.
You can use your consumer buying power to reduce solid waste by using _ batteries.
The steps involved in the recycling of materials are _, cleaning, and crushing.
An advantage of _ plastic is that its production uses 20 to 50 percent less fossil fuel than does the protection of regular plastic.
Wastes containing toxic, corrosive, or explosive materials are considered _.
Superfund and RCRA are administered and enforced by the United States _.
Polyester is a(n) _, and therefore non-biodegradable, material commonly used in clothing.
Some landfills generate electricity by burning the _ that is produced by decomposing garbage.
A modern landfill has a plastic liner to prevent _ from seeping into the soil and contaminating the groundwater.
Manufacturers could reduce waste and conserve resources by making products that are more _.
Reducing solid waste by using less material is called _ reduction.
More companies will use recycled products if consumers buy recycled products and create an increased _ for such products.
Creating steel from scrap instead of from ore uses about _ less energy.
Composting provides _ to the soil while keeping organic wastes out of landfills.
Decomposing yard waste and fruit and vegetable trimmings can be broken down by bacteria to form _,which reduces the need for fertilizers.
Biodegradable plastics never completely _.
The _ allows for owners who illegally dump hazardous waste to be sued and forced to pay for the cleanup of their sites.
Some hazardous wastes can be _ treated with bacteria that can break down toxic substances.
International trade agreements have allowed some countries to _ hazardous waste to other countries for disposal, treatment, or recycling.
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