Deforestation

What is deforestation?

• Clearing Earth's forests on a massive scale

• Eating too many vegetables

• Going to a forest and pulling up weeds

• Chopping the five trees in my back garden

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 affect?

• Plants and animals

• Our ecosystems

• Humans

• All of the above

What are the effects of deforestation ?

• loss of habitat

• increased greenhouse gases

• poor soil quality

• all of the above

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

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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