Chapter 4 The Great Lakes

Front

What is non-point-source pollution?

Back

Pollution that does not originate from a single, identifiable source, often resulting from runoff from agricultural fields, urban areas, and other diffuse sources.

Front

What is a watershed?

Back

A geographic area that includes all of the rivers and streams that flow into a lake or sea.

Front

Which Great Lake is entirely in US territory?

Back

Lake Michigan.

Front

What role do wetlands play in the environment?

Back

Wetlands help to control flooding during storms by absorbing excess water.

Front

What is sediment in the context of water bodies?

Back

Polluted soil that has settled at the bottom of lakes and rivers.

Front

What are the Great Lakes?

Back

A group of five large lakes in North America: Lake Superior, Lake Michigan, Lake Huron, Lake Erie, and Lake Ontario.

Front

What is the significance of passing laws to limit chemicals in the Great Lakes?

Back

These laws help to reduce non-point-source pollution and protect water quality.

Front

What is the impact of urban runoff on the Great Lakes?

Back

Urban runoff can introduce pollutants into the lakes, harming aquatic ecosystems and water quality.

Front

How do forests contribute to the health of the Great Lakes?

Back

Forests help to filter water, reduce erosion, and maintain the natural water cycle.

Front

What are pollutants?

Back

Substances that contaminate water, soil, or air, often harmful to the environment and living organisms.