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Climate and Biomes

Review for Post-Test

QuestionAnswer
What causes Earth's convection currents Radiant energy from the sun
What are convection currents? The flow of heat through a medium
Which is the largest terrestrial biome? Taiga
What information can be determined from examining an ice core? Age and carbon dioxide concentration
What type of climate does a wide tree ring indicate? Wet
What are CFC's? Gases used as propellents in various products that contribute to global warming.
What significant changes have occurred in the past 50 years because of global warming? Melting of ice caps and glaciers.
How does the greenhouse effect work? The atmosphere absorbs and reradiates the heat back to earth.
What is the main cause of the increase in atmospheric carbon dioxide? Burning of fossil fuels.
What is insolation? A measure of solar radiation energy on a given surface.
What is the result of changes in insolation? Climatic cycles lasting hundreds of years.
What is albedo? The fraction of solar energy reflected back into space.
What has lower albedo? Water or land? Water.
What are the biomes with the highest biodiversity? Tropical rainforest, Coral reefs, Estuary
Which biome has no reptiles or amphibians? Tundra
Why is the greenhouse effect important to life on earth? It balances radiation entering and leaving the atmosphere.
Created by: sjhague
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