They're used by humans for fossil fuel and in entertainment. They were not created by the human race, they were created through thousands of being underground and soft tissues quickly decompose leaving the hard bones or shells behind. Over time sediment builds over the top and hardens into rock.
Court cases cost too much time and money.
Speculation<span> involves trading a financial instrument involving high risk, in expectation of significant returns.
SO i beleive its
the 2nd one</span>