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How can we save our planet?
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A large natural hole in the side of a cliff or hill, or under the ground is...
...a cave.
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The area where the land meets the sea is called...
the coast.
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_____ is the conversion of energy from sunlight into electricity.
Solar power
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You can do this to air, water, land, and many other things.
Pollution.
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What are those?
Planets.
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What is it?
It's a bay.
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Animals and plants growing in natural conditions is the definition of...
wildlife.
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A _____ expells very hot liquid rock.
volcano
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A valley is...
an area of lower land between two lines of hills or mountains.
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What are the characteristics of a rainforest?
It's a tropical forest, it rains a lot, and it has very tall trees.
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What is it?
It's a stream.
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A very large mass of ice floating in the sea is...
an iceberg.
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The Iguaçu Falls are very famous for their...
waterfalls.
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Those are...
endangered animals.
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This house is on a...
cliff.
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Inside the oceans and rivers there is...
marine life.
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Unwanted materials or substances that are left after you have used something is considered...
waste.
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What is the name of the gas represented on the picture?
Carbon dioxide.
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_____ is a gas that has no colour or smell, is present in air, and is necessary for most animals and plants to live.
Oxygen
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