7.3 Measuring and Responding to Change

Which of the following sets of evidence supports global warming?

• CO2 levels rising

• Sea Levels rising

• Glacier mass decreasing

• All of the Above

Answer explanation

The evidence supporting global warming includes rising CO2 levels, rising sea levels, and decreasing glacier mass. All of the above choices are correct.

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What is global warming?

• It's a global trend from scientists.

• It's a concept from global economy.

• It's the increase of Earth’s temperature.

• It's something we shouldn’t care about.

Answer explanation

Global warming refers to the increase in Earth's temperature. It is a significant global trend recognized by scientists.

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What is an effect of global warming?

• melting glaciers and rising sea levels

• population is increasing

• more forest areas

• all of the above

Answer explanation

Global warming leads to melting glaciers and rising sea levels, causing significant environmental changes.

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Scientists have observed a gradual increase in temperatures in locations all across Earth, an event often called________________

• Global warming

• Climate change

Answer explanation

Global warming refers to the gradual increase in temperatures observed all across Earth.

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The increase in temperature is one aspect of_________________, a long-term change in weather patterns

• Global warming

• Climate Change

Answer explanation

Climate Change is a long-term change in weather patterns, including the increase in temperature.

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How does the evidence provided by the graph support the claim that Earth's climate has gradually been warming?

• The rising sea level is a result of melting ice from the South and North poles expanding the sea water.

• The rising sea level is a result of an increasing rate of all processes of the water cycle.

Answer explanation

The graph shows that the rising sea level is due to melting ice from the poles, supporting the claim of gradual warming.

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The greatest cause of biodiversity loss today is

• Pollution

• Habitat loss and change

• Climate Change

• Invasive species

Answer explanation

Habitat loss and change is the greatest cause of biodiversity loss today. Pollution, climate change, and invasive species also contribute, but habitat loss has the most significant impact.

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Do you know which of these factors is causing sea level to rise?

• the activity of the moon

• the presence of fishes in the sea

• global warming

• volcanoes activity

Answer explanation

Sea level is rising due to global warming.

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How can people reduce gas emissions? (Check all that apply)

• drive more efficient cars

• drive less

• use public transportation

• continue to drive cars that use gas

Answer explanation

To reduce gas emissions, people can drive more efficient cars, drive less, and use public transportation. These choices help minimize the use of gas and promote environmental sustainability.

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1. Which of the following is a natural cause of climate change?

• Volcanoes

• Pollution

• Earthquakes

• Nuclear waste

Answer explanation

Volcanoes are a natural cause of climate change.

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