Fossil, I'm the leftover sign of something from long ago. I could be a bone or just a print in stone. What am I?, Decay, I happen when something dead gets mushy and disappears. Rot, rot, rot away! What am I?, Body Fossil, I'm a real piece of an ancient beast, like a tooth or shell, now turned to stone. What am I?, Trace Fossil, You won't find my bones, but you'll know I was there—look for my footprint or the hole where I lived. What am I?, Coprolite, I'm not food anymore—I'm old, hard, and made of stone. Scientists study me to see what a dinosaur ate for lunch. What am I?, Sediment, We're tiny pieces of rock, sand, and dirt that float down and settle at the bottom. Pile us up for millions of years, and we turn to stone. What are we?.

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