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 …
Erosion changes Earth's natural features. It breaks down materials and can help make something new. Discover why erosion is an important part of nature!
