2 heavy objects close together • 2 light objects far apart • 1 light item and 1 heavy item a medium distance apart

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

Which of these statements are true about scientific theories and hypothesis

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?