Global environmental problems today

What can not be caused by global warming?
1. the increase in the level of the world ocean
2. melting of glaciers
3. acid rain
Ozone layer protects the Earth from this kind of radiation.
1. UV
2. UB
3. UC
What is also caused by global warming?
1. greenhouse heating
2. bed effect
3. greenhouse effect
What layer protects the Earth from UV radiation?
1. ozone layer
2. oxygen layer
3. nitrogen layer
How could we measure the ozone layer?
1. in meters
2. in millimetres
3. in centimetres
The depletion of the ozone layer is not caused by
1. wastewater treatment plants
2. freons
3. testing of nuclear weapons
The largest ozone hole is over this continent...
1. Australia
2. Asia
3. The Antarctic
The contamination of groundwater is ...
1. permanent
2. long-term
3. short-term
What belongs to the controlled mechanisms of the wastewater treatment?
1. wastewater treatment plants
2. the deposition of sediment
3. algae consumption of the nutrients
Extensive ecological disasters are caused by ...
1. wastewater treatment plants
2. tanker accidents
3. volcanoes