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Soil covers most of the land on Earth. It feeds plants and is home to many animals. Discover why soil is an important part of nature!
Most of Earth is covered in water. Water falls from the sky as rain or snow. All living things need water to survive. Discover why water is an important part of nature!
Plants and animals from millions of years ago left behind fossils. Fossils can teach people about the past. They are also used for fuel. Discover why fossils are an important part …