Answer:
It could technically be either. The majority of coal deposits
appear to be biotic, though there are some geochemists who believe
that abiotic coal deposits might exist deep in the crust.
Answer:
5. they live in social groups such as wolf packs
Explanation:
Animals such as wolves, humans, other primates, bird species, whales, etc. live in social groups because they evolved cooperative behavior. ... Animals who have genetic predispositions for communicative or cooperative behavior will have greater success and pass on more offspring who share that genetic predisposition
