Explain the purpose of a trial and the roles of those in the courtroom (including the judge, prosecutor, defense attorney, and scientists).

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

What element is able to combine with itself and hydrogen to form large molecules ?

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.