Deforestation

What is deforestation?

• Clearing Earth's forests on a massive scale
• Eating too much vegetables
• Going to a forest and pulling weeds
• Clearing the five trees in my backyard

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Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

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what is the leading cause of deforestation?

• Diseases 
• Housing market
• Agriculture and Farming
• Paper mill

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What does deforestation effect?

• Plants and animals
• Our biosphere
• Humans
• All of the above

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What are the effects of deforestation ?

• loss of habitat
• increased green house gasses 
• soil erosion and flooding
• all of the above

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Does deforestation contribute to global warming?

• No, trees aren't that important
• Sometimes because only the cutting down of Maple trees contributes to global warming
• No, deforestation adds methane to the atmosphere, which makes the Earth cooler
• Yes; less trees means less CO2 is turned into oxygen.

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Why are peat bogs important.

• They look good

• They are an important nitrate sink,containing more ‘locked-away’ nitrates than the Earth’s forests.

• They are an important carbon sink,containing more ‘locked-away’ carbon than the Earth’s forests.

• The dark colour helps provide warmth for birds

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Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

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What does not produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

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How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

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