Exam 11: Water Resources and Water Pollution

In less developed countries, _____ is responsible for the loss of 30-60% of water supplies, making this a major concern to address in improving the sustainability of water supplies.

What class of pollutant are acids, salts, and metals?

What is an example of point-source pollution?

What has resulted along floodplains from channelization and loss of vegetation?

Power plants that heat the surrounding water create thermal pollution, which can make some species vulnerable to disease.

Eighty-five percent of what exists near major U.S. population centers and have some degree of cultural eutrophication?

Lands that can be used for sustainable agriculture and forestry to reduce flood damage are ____.

The earth's surface is covered by ____.

What has increased the annual reliable runoff available for our use by nearly 33%?

What are the main sources of lead, mercury and arsenic water pollutants?

Spaces in rock and soil called the zone of ____________________ are completely filled with water.

Compare and contrast different irrigation systems, focusing on their efficiencies, strengths, and weaknesses.

Withdrawing massive amounts of groundwater can cause land elevation to become lower, which is also called ____________________.

What causes cultural eutrophication?

What is the best approach to reducing flood damage?

One way to reduce contamination of aquifers would be to have more industrial waste ponds and lagoons with effective _______ to prevent liquid wastes from escaping.

The majority of reliable freshwater runoff usage in the southwestern states of the U.S. is for ____.

Freshwater that is used indirectly is called ____, meaning freshwater that is not directly consumed but is used to produce food and other products.

A large amount of the world's drinking water comes from desalination.

What is the only effective way to protect groundwater?