LT 7.5 Retake #1

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What is the greenhouse effect?

Back

The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, preventing it from escaping into space, which leads to an increase in the planet's temperature.

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What is the most common greenhouse gas?

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Carbon dioxide (CO2) is the most commonly associated greenhouse gas.

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How do ice cores provide information about past climates?

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Ice cores contain trapped air bubbles that preserve samples of the atmosphere from the time the ice was formed, allowing scientists to analyze historical levels of greenhouse gases and infer past climate conditions.

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What do high levels of carbon dioxide in ice cores indicate?

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High levels of carbon dioxide in ice cores indicate warmer temperatures in the past.

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What is paleoclimatology?

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Paleoclimatology is the study of past climates using data from sources such as ice cores, tree rings, and sediment.

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What type of data do tree rings provide?

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Tree rings provide data on past climate conditions, including temperature and precipitation patterns, as they vary in width based on environmental conditions.

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What are some consequences of rising global temperatures?

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Consequences of rising global temperatures include melting polar ice caps, rising sea levels, increased frequency of extreme weather events, and changes in ecosystems.

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What role do greenhouse gases play in climate change?

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Greenhouse gases trap heat in the atmosphere, leading to an increase in global temperatures and contributing to climate change.

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What is the significance of studying past climates?

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Studying past climates helps scientists understand natural climate variability, the impacts of human activities, and predict future climate changes.

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What is the relationship between carbon dioxide levels and global temperatures?

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There is a direct relationship where higher levels of carbon dioxide are associated with warmer global temperatures.