Fossil fuels are carbon-based energy sources like coal, oil and natural gas created from decayed plants and sea creatures that accumulated in the oceans. A biofuel is any fuel that's made from plant materials
Answer: During the Warring States Period, nobles stopped supporting the Zhou Dynasty (1046–221 BC), and Zhou's vassal states declared themselves independent from Zhou, becoming kingdoms or warring states. Chu became the biggest state. It controlled the southern third of the entire region of the Warring States.
