The remains of an animal or plant preserved within a layer of rock.
At room temperature and normal atmospheric pressure, covalent compounds may exist as a solid, a liquid, or a gas, whereas ionic compounds exist only as solids. ionic compounds exist in stable crystalline structures. therefore, they have higher melting and boiling points compared to covalent compounds.
Answer: A Individual cave bears must not have been able to adapt to changing conditions as quickly as brown or black bears.
Explanation:
If an any living thing can not adapt to its surroundings, then the species will go extinct as it will no longer be able to survive in those surroundings. Brown and black bears were able to adapt to the changing conditions and thus survived until today.
It is osmosis. I need to add 20 characters lol, but it's osmosis.
