Which of the following human activities contributes to the increase of greenhouse gases in the atmosphere? Select TWO correct answers.

• Generating electricity for the power grid using a wind turbine.

• Clearing forests to create space for cattle ranching.

• Adopting sustainable farming practices to reduce environmental impact.

• Burning fossil fuels for electricity and transportation.

• Utilizing alternative transportation such as walking, biking, or carpooling.

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Coal is used for generating about 53% of the electrical energy in the United States. Which of these environmental issues is directly contributed to by the burning of coal?

• beach erosion

• ozone depletion

• overfishing

• air pollution

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Complete the following statement using one of the choices below. The carbon cycle is –

• nature’s way of recycling carbon.

• nature’s way of reducing the amount of carbon available.

• nature’s way of neutralizing toxic carbon.

• nature’s way of eliminating carbon.

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NGSS.MS-ESS2-1

NGSS.MS-LS2-3

How did the deforestation of parts in the Amazon Rainforest influence the climate?

• Increased carbon dioxide causes a drop in temperatures.

• Increased carbon dioxide traps heat, raising temperatures.

• A reduction in precipitation may occur due to changes in the water cycle.

• Deforestation will have minimal immediate impact on the weather.

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

Which statement supports the idea that deforestation increases the amount of carbon dioxide gas in the atmosphere?

• There are fewer trees to absorb the carbon dioxide gas.

• The remaining soil cannot compensate for the loss of CO₂ absorption by trees.

• The carbon dioxide gases block the sunlight from warming the ground.

• Deforestation reduces humidity, impacting evaporation rates.

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NGSS.MS-LS2-5

Examine the following graph. Explain why CO₂ levels were rising steadily each year. Choose TWO correct answers.

• Human activities such as burning coal, oil, and natural gas for energy release large amounts of carbon dioxide into the atmosphere.

• Oceans are releasing more CO₂ each year due to natural processes, significantly driving the overall increase.

• The large-scale removal of forests (deforestation) reduces the number of trees available to absorb CO₂ through photosynthesis, leading to higher atmospheric concentrations.

• Unseen organisms from outer space are introducing additional CO₂ into Earth's atmosphere as part of an unknown phenomenon.

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NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

NGSS.HS-ESS3-1

NGSS.HS-ESS3-5

Which of the following natural events does not contribute to climate change by altering the amount of solar radiation that reaches Earth's surface?

• meteorite impact

• volcanic eruptions

• changes in Earth's orbit

• changes in ocean currents

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NGSS.HS-ESS2-4

Select the TWO main reservoirs for carbon dioxide.

• Ocean

• Atmosphere

• Plants

• Fossil Fuels

• Animals

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NGSS.MS-LS2-3

Greenhouse gases can be released by human activities such as burning fossil fuels for electricity or farming livestock. What role do greenhouse gases play in influencing climate?

• Greenhouse gases trap heat, warming Earth’s climate.

• Greenhouse gases block evaporation, reducing clouds and rainfall.

• Greenhouse gases allow sunlight to pass, cooling the climate.

• Greenhouse gases block harmful solar radiation from reaching Earth.

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which activity MOST affects the atmosphere?

• drilling for oil

• transporting oil

• using oil as fuel for trucks

• spraying oil on dirt roads

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NGSS.MS-ESS3-4

NGSS.MS-ESS3-5