APES unit8

Turbidity

A measure of how clear water is. measure suspended material in water

best describes a supporting ecological service provided by wetlands? A Wetlands serve as a source of aesthetic inspiration for art and literature. B Wetlands provide opportunities for ecotourism, which provides revenue to the local economy. C Wetlands serve as a major reservoir for nitrogen in the nitrogen cycle. D Wetlands provide a habitat for a wide variety of organisms.

Aesthetic inspiration is a cultural service. Question asks for Supporting service. Providing habitats are the supporting service.

federal laws specifically deals with the cleanup of abandoned hazardous waste sites?

Comprehensive Environmental Responsibility Compensation and Liability Act

Toxic Substances Control Act

EPA is given the ability to track the 75,000 industrial chemicals currently produced or imported into the United States. EPA repeatedly screens these chemicals and can require reporting or testing of those that may pose an environmental or human-health hazard. EPA can ban the manufacture and import of those chemicals that pose an unreasonable risk.

The use of nitrogen-based fertilizers in the Midwestern United States is a major contributing factor to which of the following?

Hypoxia in the Gulf of Mexico

Which method reduces the volume of waste but could release toxic emissions into the atmosphere?

Incineration

Which of the following is a way to potentially eliminate one of the greatest threats to the world's mangrove wetlands? A Increase desalination to reduce the effects of prolonged drought in mangroves. B Integrate ecologically sound shrimp aquacultural practices with mangrove management. C Construct dams in mangroves to increase sediment load and decrease pollution. D Employ irrigation methods to address potential desertification of mangrove habitats

Integrate ecologically sound shrimp aquaculture practices with mangrove management. -use of mangrove wetlands for 人工養殖. provide economic benefits and sustainable way

Of the following, which is the most serious immediate problem associated with sanitary landfills?

Leachate contamination of groundwater

Regulations that deal directly with the disposal of hazardous materials in the United States include which of the following?

RCRA

This requires minimum safety standards for community water supplies.

Safe Drinking Water Act

Clear Water Act

Sought to limit water pollution by industry and agriculture

RCRA (Resource Conservation and Recovery Act)

The goal of this federal law is to prevent unsafe and illegal disposal of hazardous wastes on land. maximize

Most plastics pose a special problem in the waste stream because they

decompose slowly, if at all, and persist as solid waste

The presence of which of the following contaminants would be the strongest reason for judging municipal sewage sludge unfit for use as fertilizer?

heavy metals

In the United States, most municipal solid waste is disposed of by

landfilling

Which of the following is an effective alternative to chlorine for disinfecting wastewater in a municipal treatment plant? Freon B Alcohol C Phosphate D Ammonia E Ozone

ozone

toxic chemicals except: cadmium B chromium C lead D mercury E potassium

potassium.

Of the following strategies to decrease the landfill volume of packaging material from food and other consumer products, the most energy efficient is

promoting the use of reusable containers for consumer goods

discharge

release

asphyxiation

stoppage of breathing or the lack of air reaching the lungs; synonym for suffocation asphyxiation from lack of oxygen.

Salinity

the amount of salt in water

Which of the following practices would best help to protect against inland and coastal flooding in urban areas? Regulating the use of pesticides and fertilizers in agriculture B Preserving wetland and coastal mangrove habitats C Increasing the capacity of the sewer lines so they can handle a larger volume of water D Straightening stream channels to increase stream flow

wetland and mangroves help preserve habitat and reduce flooding. Sewer lines are for shit and it will increase waste