| A | B |
|---|
| fossil | a plant or skeleton that leaves an imprint on a rock |
| dinosaur | one of many reptiles that lived on Earth millions of years ago |
| imprint | to create a mark by pressing against a surface |
| extinct | no longer alive |
| amber | a hard orange-yellow substance |
| mountain | a big hill; an area of land that rises high above |
| preserved | to keep something in good condition |
