Why is the process of photosynthesis in forest trees important for the environment?
a. It helps to control sound pollution.
b. Trees absorb atmospheric carbon dioxide and thereby moderate the greenhouse effect.
c. The process can control water run-off and prevent erosion.
d. All of the above
       
How much income do Europe's forests provide each year?
a. USD 100 million
b. USD 300 million
c. USD 500 million
d. USD 700 million
       
How much of Europe was covered by forest 10,000 years ago?
a. Less than 30 percent
b. 40 percent
c. 60 percent
d. More than 80 percent
       
How much of Europe is covered by forest today?
a. 25 percent
b. 33 percent
c. 40 percent
d. 50 percent
       
Which European country is most covered by forest?
a. Ireland
b. Hungary
c. Bulgaria
d. Finland
       
How much of Europe's 312 million hectares of forest are untouched by human influence?
a. 1 percent
b. 5 percent
c. 10 percent
d. 15 percent
       
Forest fires are:
a. Sometimes caused by management practices
b. Rare but natural phenomena
c. Caused by negligence
d. All of the above
       
Planting for wood production:
a. Prevents the accumulation of litter from acidifying tree species
b. Protects soil and groundwater from acidification
c. Requires cultivation of water-intensive tree species, which reduces overall groundwater availability
d. All of the above
       
The processes of weeding, cleaning and thinning a forest:
a. Pollute groundwater through the use of herbicides
b. Require frequent vehicle use, leading to soil erosion and compaction
c. Remove the lower tier of scrubs and small trees, which acts as an important habitat for many animal species
d. All of the above
       
In Europe, there is increasing recognition that forests have multiple roles: timber production, carbon sinks, conservation of biodiversity and water, and recreation. True or false:
a. True
b. False
   
You can minimise the environmental impact to forests by following which of the rules below?
a. Show animals you are not afraid of them by approaching them boldly after they have become aware of your presence.
b. Do all washing in the nearest water source.
c. Avoid picking only one kind of flower.
d. Let animals eat their natural food.
       
"Cut down the forest of greed, before cutting real trees" is an adage related to the values of:
a. Christians
b. American Indians
c. Buddhists
d. Jews
       


 
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