The atmosphere：练习题

What is the main environmental impact of sulfur dioxide emissions from coal-fired power stations and heavy industry?

Which statement correctly describes how catalytic converters reduce atmospheric pollution from motor vehicles?

In an urban industrial area, a phenomenon occurs where a layer of warm air sits above a layer of cool air trapped near the ground. Which of the following best explains why this condition leads to a significant increase in smog levels?

Which strategy is specifically used to remove sulfur dioxide from the waste gases of industrial chimneys before they are released?

A temperature inversion occurs when a layer of warm air sits on top of a layer of cooler air near the ground. What is the primary environmental impact of this phenomenon in urban areas?

List two atmospheric pollutants that react with water in the atmosphere to produce acid rain.

Identify the primary gases that compose the Earth’s atmosphere and state their approximate percentage concentrations by volume.

Identify the layer of the atmosphere where the ozone layer is located and state its primary role in protecting life on Earth.

Acid rain is a significant form of atmospheric pollution that affects ecosystems and buildings.
(a) Name the two primary gases responsible for the formation of acid rain.
(b) Identify one human activity that results in the release of these gases into the atmosphere.

Governments and industries use various technologies to reduce the impact of atmospheric pollution.
(a) Explain how the use of a catalytic converter helps to reduce pollution from vehicle emissions.
(b) Describe the purpose of flue-gas desulfurization and identify the specific pollutant it is designed to remove from power station emissions.