To figure this out you have to look at the clues given the fossil it self it has many layers or solid Rock on it that is proven to go from youngest to oldest so with that being said you can design a procedure like "Rock identification" based on what type of rock that's on the first to last just identify it and know that based on the rock is how deep it has been in the ground or it's time period
Hope this helps :D
Nutrients supplied by air:
-Oxygen
-Carbon
Nutrients supplied from water:
-Hydrogen
-oxygen
Answer: Yy; they’re purple if there’s no codominance or incomplete dominance
Explanation:
It protects the spinal cord.
gradpoint homies.
The testes are responsible for producing sperm cells.
