Because high estrogen halts bone growth
While it's true that Fossils hardly even contain DNA, they can still provide numerous clues in order to identify and verify an organism.
For example, in terms of Dinosaurs, their bones and fossils have provided enough evidence to provide an evolutionary link with modern birds.
Carbon dating is another way to find the age of a fossil which provides more information on it's surrounding habitat and the animals it interacted with.
The younger rock would be black and have like no stains and it would not be as dirty as the older rock hope this helps!!1
Carbon dioxide is the compound in photosynthesis, I'm pretty sure
