Climate Action

Since the increase of the 3 greenhouse gases due to man's activities, CO2, methane and nitrous oxide, the gas which plays the largest role in contributing to warming of the Earth is _______.

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Which of the following activities of man increase the greenhouse gas METHANE?

• decomposition of waste in landfills

• rice cultivation

• manure produced domestic through livestock raising

• all three

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A primary reason we know that human activity is causing global warming is:

• CO2 has decreased in the atmosphere over the past ten years

• Earth's atmosphere is getting thinner

• We can correlate the rise of CO2 with human activities

• All answer choices are correct

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The following human activities produce greenhouse gases except for:

• Driving cars

• Walking, biking, & swimming

• Animal agriculture

• Generating electricity from natural gas, oil, & coal

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Imagine Grandpa and Dad are discussing global efforts to combat climate change. Grandpa asks, 'What is the significance of the Paris Agreement?' How should Dad respond?

• It aims to increase global temperatures by 2 degrees Celsius

• It is a commitment to reduce coal usage by 50% worldwide

• It is an agreement to strengthen the global response to climate change

• It focuses solely on reducing emissions from transportation

During a family discussion, Grandpa argued that the primary cause of recent global climate change was not natural phenomena but something else. What did Grandpa identify as the primary cause?

• Solar radiation variations

• Orbital changes of the Earth

• Volcanic eruptions

• Human activities

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NGSS.HS-ESS3-6

Which greenhouse gas is primarily responsible for climate change due to its high concentration and long lifespan in the atmosphere?

• Chlorofluorocarbons (CFCs)

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Trees play an important role in the carbon cycle by absorbing carbon dioxide from the atmosphere during photosynthesis and storing it in their biomass. Now, imagine Grandpa owns a large piece of land and decides to clear all the trees on the land to create space for a new farm. Considering the role trees play in regulating atmospheric carbon dioxide, what is the most likely impact of this action on climate change?

• It decreases the amount of carbon dioxide in the atmosphere

• It increases the Earth's albedo

• It increases the amount of carbon dioxide in the atmosphere

• It has no significant impact on climate change

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NGSS.HS-ESS2-6

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During a family discussion on environmental conservation, Grandpa explains that a specific greenhouse gas contributes the most to human-induced global warming. Which gas is he referring to?

• Methane

• Carbon dioxide

• Nitrous oxide

• Chlorofluorocarbons (CFCs)

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What can be an effect of climate change on weather patterns?

• Decreased variability in weather patterns

• More predictable weather

• Increased frequency and intensity of extreme weather events

• A permanent shift to colder weather globally

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