Chapter 16 - Climate Change

The biggest threat to the Maldives from global climate change would be:

• increasing air temperatures

• sea level rise

• polar amplification

• changes in precipitation patterns

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Specific threats to the Maldives include (click 3):

• flooding

• erosion

• saltwater contamination of aquifers

• desertification

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The Maldives is a small island chain with 530,000 people.

But, approximately how many people live in coastal areas threatened by rising sea levels worldwide?

• 1-2 million

• 15-20 million

• 150-300 million

• 500-800 million

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Label the percentages of the sun's radiation that is absorbed and reflected by the Earth:

a

b

70%

30%

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The greenhouse effect is a​ ​ (a)   process that is made worse by ​ ​ (b)   ​ activities.

• natural
• human

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Without any greenhouse gases, the Earth would be:

• too cold for life

• too hot for life

• just right...

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The 3 major greenhouse gasses are:

• water vapor (H₂O)

• carbon dioxide (CO₂)

• methane (CH₄)

• nitrogen (N₂)

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Which region of the northern hemisphere is the temperate zone?

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Where on the planet is sea ice melting due to global warming?

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Where on the planet is normally hot year round?

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