Climate and Biomes Quiz

What factor initiates and controls the convection currents of Earth’s general circulation?

• Coriolis force

• radiant energy from the Sun

• atmospheric concentration of carbon dioxide

• surface convection currents in the ocean

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Climate and Biomes

Which of the following is the largest terrestrial biome?

• tundra

• grassland

• taiga

• temperate forest

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Climate and Biomes

When an ice core is analyzed, which two pieces of information from each sample are used to determine changes in atmospheric temperature over time?

• age and carbon dioxide concentration

• age and oxygen concentration

• carbon dioxide concentration and types of pollen grains

• oxygen concentration and concentration of dust and sea salt

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Climate and Biomes

A tree ring analysis shows a time period when the rings were much wider than at any other time. What kind of climate was present during this time period?

• cool and wet

• cool and dry

• hot and wet

• hot and dry

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Climate and Biomes

Chlorofluorocarbons, or CFCs, are different from other greenhouse gases for which of the following reasons?

• They break down the most rapidly

• They are the most abundant

• They come only from human sources

• They are increasing, while other gases are decreasing

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Climate and Biomes

In the last 50 years, which of the following changes has occurred as a result of global warming?

• average global temperature increase of 3 percent

• average global precipitation increase of 3 percent

• significant melting of permafrost and glaciers

• submerging of several Pacific islands

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Climate and Biomes

The greenhouse effect works primarily by which of the following processes?

• trapping the Sun's radiation so none can escape

• absorbing and reradiating heat

• preventing atmospheric convection

• preventing radiation from reaching Earth

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Climate and Biomes

Changes in atmospheric carbon dioxide that have occurred in the past 50 years are most strongly correlated with increases in which of the following factors?

• photosynthesis

• respiration

• burning of fossil fuels

• increased volcanic activity

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Climate and Biomes

What is the result of changes in the tilt of Earth’s axis?

• A. short-term occurrences of extreme weather patterns

• B. a steady rise in Earth’s temperature

• C. the annual cycle of seasons and associated temperature changes

• D. climatic cycles lasting thousands of years

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Climate and Biomes

Which of the following surfaces would have the lowest albedo (the amount of light a surface reflects)?

• A. ocean

• B. iceberg

• C. sandy desert

• D. sunny area with high, white clouds

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Climate and Biomes