Deforestation

Select the sentences that are true.

• Deforestation is the clearing of Earth's forests on a massive scale

• Deforestation is planting more trees to re-establish the forest

• Trees are a renewable resource because they can be replanted

• If not managed properly, deforestation can lead to the eventual disappearance of trees

• If the rate of replanting is as fast as the rate of deforestation, we have nothing to worry about

Select all that apply.

Deforestation is caused by

• cattle ranching

• farming

• urbanization

• logging

• mining

Deforestation has an affect on the water cycle

• true
• false

Deforestation causes an increase in atmospheric carbon dioxide

• true

• false

What does deforestation affect?

• Plants and animals

• Our biosphere

• Humans

• All of the above

The graph below shows the greenhouse gas emissions by sector for the year 2019. State the percentage of greenhouse gas emissions by agriculture and forestry.

• 33%

• 26%

• 15%

• 11%

The biggest threat to deforestation is

• demand for timber

• demand for food products

• demand for gold mining

How does logging cause soil erosion?

Arrange the following in order.

a. there are very few roots left to hold soil closely together.

b. rainwater falls onto the soil,

c. trees are removed

d. Soil becomes looser and gets washed away with the rain.

• d. b. a. c.

• b. d. c. a.

• d. a. b. c

• c. a. b. d.

Refer to the figure. State the country that is the largest palm oil producer for the year 2016/2017.

• Indonesia

• Malaysia

• Thailand

• Columbia

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.