Große Ideen für kleine Umweltschützer: Ökosysteme mit Rachel Carson (groß
10,08 €
She noticed that everything is connected, and all of nature must stay healthy for living things to thrive. When she realized that the chemicals people used outdoors were making plants, animals, and even other people sick, she began teaching others about the ecosystems, and how we must take care of them to keep the Earth balanced.
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