The video explores the greenhouse effect, explaining its significance in climate change. It discusses the role of greenhouse gases, particularly carbon dioxide, in global warming. Evidence of rising global temperatures is presented, supported by data from weather stations. The video highlights the impact of human activities, such as fossil fuel combustion, on increasing CO2 levels. It emphasizes the need to change energy production and usage to mitigate climate change.

What is the primary gas responsible for the greenhouse effect?

• Oxygen

• Methane

• Nitrogen

• Carbon Dioxide

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NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

How much has the global temperature risen over the last 130 years?

• 1.5 degrees Celsius

• 1 degree Celsius

• 0.5 degrees Celsius

• 2 degrees Celsius

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

Which decade was the warmest in recorded human history?

• 2000-2010

• 1990-2000

• 1980-1990

• 2010-2020

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-5

What type of radiation does the Earth emit back towards space?

• Gamma rays

• Ultraviolet radiation

• Visible light

• Infrared radiation

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NGSS.HS-PS4-3

Who developed the instrument to measure atmospheric carbon dioxide accurately in the late 1950s?

• Roger Revelle

• Charles David Keeling

• James Hansen

• Svante Arrhenius

What was the concentration of carbon dioxide in the atmosphere when Dr. Keeling began his measurements in 1958?

• 350 parts per million

• 315 parts per million

• 290 parts per million

• 390 parts per million

Which sector accounts for nearly one-fifth of the CO2 emissions globally?

• Residential electricity

• Heavy industry

• Transportation

• Deforestation

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NGSS.HS-ESS3-5

What is the main cause of the increased CO2 levels in the atmosphere?

• Volcanic eruptions

• Deforestation

• Combustion of fossil fuels

• Agricultural activities

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NGSS.HS-ESS2-6

What percentage increase in CO2 concentration has been observed in the atmosphere over the last half-century?

• 30%

• 20%

• 40%

• 10%

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NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

What is the primary challenge in addressing global warming?

• Decreasing oxygen levels

• Reducing water vapor

• Changing the way we produce and use energy

• Increasing nitrogen levels

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NGSS.HS-ESS2-4

NGSS.HS-ESS3-2

NGSS.HS-ESS3-5

NGSS.HS-ESS3-6