U4 Test Review

Front

What is a major source of pollution created by humans?

Back

Industrial factories are a major source of pollution created by humans.

Front

What is the purpose of annual automobile inspections in most states?

Back

The purpose is to maintain the quality of the atmosphere by ensuring that exhaust fumes do not contain high levels of pollutants.

Front

What activity would lead to a significant decrease in carbon dioxide levels in the atmosphere?

Back

Reducing the use of fossil fuels would lead to a significant decrease in carbon dioxide levels.

Front

How does acid rain threaten the sugar maple tree?

Back

Acid rain weakens the ecosystem through pollution, threatening the survival of the sugar maple tree.

Front

Why will using renewable energy help reduce global warming?

Back

Renewable energy sources produce fewer greenhouse gases than fossil fuels.

Front

What are greenhouse gases?

Back

Greenhouse gases are gases that trap heat in the atmosphere, contributing to global warming.

Front

What is the impact of fossil fuel consumption on the environment?

Back

Fossil fuel consumption contributes to air pollution and increases carbon dioxide levels in the atmosphere.

Front

What is the significance of maintaining air quality?

Back

Maintaining air quality is essential for human health, environmental protection, and combating climate change.

Front

What are some examples of renewable energy sources?

Back

Examples of renewable energy sources include solar, wind, hydroelectric, and geothermal energy.

Front

How does pollution affect ecosystems?

Back

Pollution can weaken ecosystems, harm wildlife, and disrupt natural processes.