APES Unit 9

Front

What characteristic of Earth’s atmosphere causes visible light to reach Earth’s surface while infrared light is trapped as heat?

Back

the greenhouse effect

Front

What is the best conclusion from the graph about atmospheric carbon dioxide levels?

Back

atmospheric carbon dioxide levels have increased steadily since 1960

Front

What is the largest carbon sink in the world?

Back

The Oceans

Front

Earth's average temperature has increased 1°C in the past century. Which reason best explains this increase in temperature?

Back

higher levels of carbon dioxide in the atmosphere

Front

Which of the following gases is NOT a greenhouse gas? carbon dioxide (CO2), nitrogen (N2), water vapor (H20), methane (CH4)

Back

nitrogen (N2)

Front

Evidence of climate change: extreme weather events, increase in the average global temperature, melting of polar ice caps.

Back

All of the above

Front

The main human activity that releases carbon dioxide (CO₂) into the atmosphere is...

Back

burning fossil fuels

Front

What contributes to an increase in carbon dioxide (CO₂) in the atmosphere?

Back

Deforestation, burning fossil fuels, burning down trees

Front

Melting of glaciers and polar ice caps...

Back

will result in sea-levels rising

Front

The warming of the atmosphere by the trapping of heat being radiated to space is called

Back

the greenhouse effect