clean, to make an area free of trash or mess, Earth, the planet we live on, flood, when a lot of water covers land that is usually dry, land, the solid part of Earth not covered by water, pollution, trash that makes land, air and water dirty and unhealthy, recycle, to take something old and make it into something new, reduce, to use less of something, reuse, to use something again, tree, a tall plant with a trunk, branches and leaves, trash, garbage that is left over and not wanted.

Unit 19 - Caring for our Earth

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