Unit Test - Caring for our Earth

To make an area free of trash or mess

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The planet we live on

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when a lot of water covers land that is usually dry

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the solid part of Earth not covered by water

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trash that makes land, air and water dirty and unhealthy

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to take somthing old and make it into something new

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to use less of something

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to use something again

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a tall plant with a trunk, branches and leaves

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garbage that is left over and not wanted

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