Water Pollution

How many % of the Earth’s surface is covered by water?
1. 79%
2. 71%
3. 82%
4. 60%
Which country has the biggest fresh-water reserve?
1. Canada
2. Ireland
3. Hungary
4. the USA
How many % of the fresh-water can be found under the surface?
1. 63%
2. 82%
3. 98%
4. 77%
How many % of the glaciers in the world had disappeared in the last century?
1. 10%
2. 50%
3. 90%
4. 91%
How many km had the Muir glacier lost from its lenght in 7 years?
1. 2 km
2. 5 km
3. 8 km
4. 10 km
A human produces 11kg carbon dioxide a day on average which goes into the atmosphere. How many kg of it is taken by the sea a day?
1. 5 kg
2. 4 kg
3. 9 kg
4. 1 kg
How many million children’s death (under age 5) is caused by polluted water?
1. 20 million
2. 5 million
3. 30 million
4. 15 million
How many km2 of the sea was covered by oil at the Exxon Valdez disaster?
1. 15 455
2. 16 899
3. 10 233
4. 98 246
And how much oil flowed into the sea in this affair?
1. 25 million litres
2. 38 million litres
3. 42 million litres
4. 50 million litres
How many million tons of nitrate comes to the ocean every year?
1. 3
2. 2,6
3. 4,01
4. 3,56
How much is the quantity of the industrial waste water per day?
1. 1 million cubic metres
2. 2,5 million cubic metres
3. 2 million cubic metres
4. 1,7 million cubic metres
Industry produces 2,5 million cubic metre sewage. How big part of it comes back to the nature without cleaning?
1. quarter
2. two-third
3. more than 75%
4. half
How many thousands of barrels oil came into the waters in the last decade?
1. 600
2. 700
3. 300
4. 999
Now the third of the world’s population lives in a water shortaged country. By 2025 with how many % will this number grow?
1. 50
2. 60
3. 89
4. 46
How many lead gets into the oceans in a year?
1. 420 000 ton
2. 112 000 ton
3. 370 000 ton
4. 250 000 ton
Which materials have a dominant role in the formation of the acid rains?
1. aldehydes
2. sulfur dioxide and carbon monoxide
3. sulfur dioxide and carbon dioxide
4. nitrogen oxides
Because of the water pollution living beings are significantly perished. 24 fish species lived in the Aral Sea. How many of them live still nowadays?
1. 4
2. 10
3. 15
4. 20
Which is the most polluted river in the world?
1. Dadang Tri
2. Reuters
3. Ganges
4. Citarum
How many factories are established on the bank of the most polluted river?
1. 46
2. 50
3. 200
4. 500

Water Pollution

Quiz