ESS Ch 17

In 1970, the source of most of the airborne lead emissions in the United States was _______.

• refining metals

• burning leaded fuel

• Fires

• battery manufacturers

What is the primary cause of stratospheric ozone depletion?

• Carbon Dioxide emissions

• Chlorofluorocarbons (CFCs)

• Volcanic eruptions

• Water vapor

Which of the following best describes the relationship between weather and climate?

• Weather and climate are the same thing

• Weather describes long-term patterns while climate describes daily conditions

• Climate describes long-term patterns while weather describes daily conditions

• Weather and climate are unrelated phenomena

What technology helps reduce vehicle emissions in urban areas?

• Solar panels

• Catalytic converters

• Wind turbines

• Hydroelectric dams

Examples of this are soot (black smoke) fires and dust from construction sites

• PM

• CH4

• SO2

• CO2

In the United States, which of the following has decreased since 1980?

• energy consumption

• air pollution emissions

• vehicle miles traveled

• gross domestic product (GDP)

In the 1970s, sources of CFC pollution in the United States included all of the following EXCEPT _______.

• aerosol spray cans

• refrigerators

• air conditioners

• coal-burning power plants

The Montreal Protocol:

• resulted in significant reduction in the production of ozone depleting substances by signatory nations

• developed the framework for reduction of carbon dioxide in the United States and Canada

• developed the international treaty for eliminating sulfur emissions from power plants

• is an example of a failed attempt to reduce international air pollution

The ozone layer is important to ecosystems because it _______.

• keeps atmospheric gases balanced

• absorbs UV radiation

• keeps the temperature of Earth stable

• provides the air we breathe

Lead pollution is a problem because lead (Pb) ______.

• is a precious metal, and it is being lost to the atmosphere

• will cause the ozone hole to increase

• causes central nervous system damage in humans

• is a strong greenhouse gas