Exam 24: Human Impacts, Biodiversity, and Environmental Issues

Ozone in the ________ comprises a thin layer that protects the surface of Earth from ultraviolet radiation.

Eutrophication of a lake most likely is the result of

Certain gases in the upper atmosphere allow sunlight to pass through to Earth's surface, but prevent heat from escaping. This is known as

Despite abundant vegetation, ________ make poor farmland because of little topsoil and scant soil nutrients.

"Earth's fever" refers to

Thinning of the ozone has already been detected in the stratospheric ozone layer.

The use of biomass fuels is generally non-polluting.

Urbanization typically increases the extent of biodiversity.

Pollutants of water include both living organisms and nonliving materials.

One way to reduce the amount of raw materials consumed by humans is by ________ useable materials.