Cada pregunta de este test está cronometrada.
What belongs to greenhouse gases?
coal and oil
carbon dioxide
hurricane
Why are greenhouse gases dangerous?
They cause deforestation.
They cause hurricanes.
The world is getting warmer.
How do we call gases, coal and oil?
Biofuels.
Fossil fuels.
Dangerous fuels.
What doesn´t belong to extreme weather?
Hurricanes
Heavy rain
Pollution
What is the biggest cause of climate changes?
Carbon dioxide produced by aeroplanes.
Extreme weather.
Deforestation.
Where are tropical forests?
South-East Asia
Europe
North America
The area of destroyed rainforests is
bigger than the area of Britain?
smaller than the area of Britain?
as big as the area of Britain?
How much of all carbon dioxide is produced by deforestation?
Twenty per cent.
Twenty-five per cent.
Thirty-five per-cent.
Why do people mostly burn rainforests?
They need wood.
They need land.
They need buildings.
Where is electricity produced?
In tropical storms.
In power stations.
In factories.
