I’m pretty sure D I hope this helps
Yes. Oxygen crash led to Cambrian mass extinction
Answer:
I believe you can prove a theory more than a hypothesis. A law is definite.
Answer: Neurone
Explanation:
Neurone is also known as nerve cell. It is the basic unit of the nervous system, and helps to transmits/ conducts nerve impulses from the brain to the body or vice versa.
Because all rocks types are different froM one another.