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Jouer Froggy Jumps
1. It is estimated that arctic ice may completely disappear before...?
A
2100
B
2500
C
3000
2. How much of the Earth's surface is covered by water, approximately?
A
20%
B
40%
C
70%
3. What percentage of the world's population has no electricity whatsoever?
A
15%
B
35%
C
25%
4. How much litres of water do people consume daily in developed countries?
A
100
B
10
C
50
5. In the last 100 years the surface temperature of the Earth has gone up by...?
A
1ºC
B
5ºC
C
2ºC
6. Approximately how many billion people are there in the world?
A
7
B
5
C
6
7. Which of the following is not a major cause of deforestation?
A
Mining
B
Logging
C
Hydroelectric development
8. Examples of fossil fuels are...?
A
coal, oil and natural gases
B
renewable fossils
C
uranium and carbonised dinosaur remains
9. Renewable energy alternatives are those that...
A
are abundant or can be regrown or recycled in a short period of time.
B
are environmentally friendly such as coal.
C
never cause pollution or environmental damage at all.
10. Which is the ultimate sink of all natural and man made pollutants?
A
The ocean
B
The desert
C
The soil