Deep Time Puzzle
ACROSS
3. species still surviving
5. law of states the oldest rock layets are on the bottom and the youngest on top
9. idea the changes slowly using the processes we see today
10 age is the numetical age of a rock
12. gractual change over time
DOWN
1. the fype of rock made from the cooling of molten material
2. the removal or orgens and wrepping in eloth
4. organism encased in tree resin
6. break in a rock
7. permanently frozen sol
8. fossilized waste
11. rock layer