Human Impact on the Environment Review #2

Front

What is the primary reason for reducing fossil fuel use?

Back

To help reduce the production of carbon dioxide gas.

Front

Which human activity significantly increases carbon dioxide levels in the atmosphere?

Back

Driving cars long distances.

Front

How do plants help in reducing atmospheric carbon dioxide?

Back

Plants remove carbon dioxide from the atmosphere during photosynthesis.

Front

What is a benefit of using wind power as an energy source?

Back

Wind power is renewable, decreasing the environmental impact.

Front

What was the purpose of introducing the myxoma virus in Australia?

Back

To stop the overproduction of an introduced species (rabbits).

Front

Define 'carbon dioxide (CO2)'.

Back

A colorless gas produced by burning fossil fuels and through respiration, significant for climate change.

Front

What is 'photosynthesis'?

Back

The process by which green plants use sunlight to synthesize foods with carbon dioxide and water.

Front

What does 'renewable energy' mean?

Back

Energy from sources that are naturally replenished, such as wind, solar, and hydro.

Front

Explain the term 'biological control'.

Back

A method of controlling pests using their natural enemies.

Front

What is the greenhouse effect?

Back

The warming of Earth’s surface due to trapped heat by greenhouse gases like CO2.