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Name the important gases that are found in the atmosphere.
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Write True or False.
CFCs and BFCs protect the ozone layer.
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What is the difference between the troposphere and the tropopause?
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Write briefly about the layers of the atmosphere
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State any three characteristics of the stratosphere
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How is the presence of the ozone layer essential to preserve life on earth?
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State any three characteristics of the mesosphere.
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Why is the thermosphere important?
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Explain the significance of the earth’s atmosphere.
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This is a picture of a supersonic aircraft.
In which layer of the atmosphere does this airplane normally fly?
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Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
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This is a picture of a supersonic aircraft.
This layer of the atmosphere is also known to protect living beings from the harmful rays of the sun. How?
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In your notebooks, draw a diagram showing the layers of the atmosphere. Mark clearly the ozone layer, the height at which a jet plane can fly and also the height up to which birds can fly.
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What is responsible for causing a hole in the ozone layer?
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Imagine that you are an active member of Greenpeace. Write a two-page appeal addressed to the Prime Minister of India stating why you think that increasing the number of vehicles on roads will be disastrous to the nation in the long run.
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Make a collage using pictures or a chart to show the various causes and consequences of global warming.
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Many people leave their pets in parked cars. They think they will be gone for a few minutes, or it will be alright to leave a window open. The temperature inside a parked car can rise up to more than 50°C in a matter of few minutes, irrespective of it being a hot or a cloudy day.
What would be the right thing to do if you see a pet locked inside a car on a hot day?
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Write true or false. Correct the false statement.
A rise in temperature causes more condensation while a fall in temperature results in evaporation.
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Write true or false. Correct the false statement.
Heavy rainfall occurs on the leeward or rain shadow side of highland.
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