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Earthwatch
by
Examines how natural cycles and specific ecosystems work and suggests activities to protect the Earth from further damage by pollution and waste.
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- ● children's books, education
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Examines how natural cycles and specific ecosystems work and suggests activities to protect the Earth from further damage by pollution and waste.
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"Examines how natural cycles and specific ecosystems work and suggests activities to protect the Earth from further damage by pollution and waste."
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