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The atmosphere.
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What is the atmosphere?
Solid layer that surrounds the Earth.
Liquid layer that surrounds the Earth.
Gaseous layer tat surrounds the Earth.
What is the main component of the atmosphere?
oxygen.
nitrogen.
water vapour.
What are the functions of the atmosphere?
To contain gases that allow organisms to be alive.
To regulate the Earth's temperature.
To filter harmful radiations.
What is the lowest layer of the atmosphere?
Troposphere.
Stratosphere.
Mesosphere.
Ionosphere.
Magnetosphere.
Where do we find the ozone layer?
Troposphere.
Stratosphere.
Mesosphere.
Ionosphere.
Magnetosphere.
Where do weather phenomena take place?
Troposphere.
Stratosphere.
Mesosphere.
Ionosphere.
Magnetosphere.
Where do aurora boralis and australis take place?
Troposphere.
Stratosphere.
Mesosphere.
Ionosphere.
Exosphere
Where do shooting stars take place?
Troposphere.
Stratosphere.
Mesosphere.
Ionosphere.
Exosphere
The greenhouse effect is a process
In the hydrosphere.
that regulates temperature in the Earth.
that mantains the Earth's average temperature around 20ºC.
The global warming
is caused by human activities.
is a consequence of an increase of the greenhouse effect.
is a really serious environmental problem.
The ozone layer
is found in the troposphere.
filters UVA radiation.
is depleting mainly in the south pole.
Pollutants produced by humans are called
natural pollutants.
artificial pollutants.
chemical pollutants.
Pollen is a
natural pollutant.
biological pollutants.
chemical pollutants.
Acid rain
results of the combination of nitrogen and sulphur oxydes and water.
cause severe health problems.
destroys the ozone layer.
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