Deforestation

Which of these is one cause of deforestation?

• Urbanization
• Buying a chirstmas tree during the holidays
• Overbreeding birds in the wild
• Cutting down the tree in your backyard

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

Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

What are the effects of deforestation ?

• loss of habitat
• increased green house gasses 
• soil erosion and flooding
• 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.

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

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

Why does cutting down trees increase global warming?

• trees soak up carbon dioxide
• trees provide shade which counteracts global warming
• trees absorbs the sun's energy without radiating back into the atmosphere
• trees drain greenhouse gases like methane from soil

What is a carbon sink, or long-term carbon storage?

• Something that adds to the atmosphere.

• Something that removes carbon from the atmosphere and holds it.

• Something that adds carbon to the earth's crust.

• Something that removes carbon from the earth's crust.

Deforestation is caused by

• agriculture activities
• snakes
• banks
• schools

what is the leading cause of deforestation?

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