three-dimensional, a disaster - A very bad event, like a big fire, flood, or earthquake., natural resources - Things from nature that people use, like water, trees, and oil., waste - Things we throw away because we don’t need them, like trash or garbage., skin - The outside part of your body that covers everything., the lungs - The parts inside your chest that help you breathe., a cell - A very small part of the human body., the heart - The part inside your chest that pumps blood through your body.,

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