Boyle's law states that, at a constant temperature, the volume of a given mass of gas varies inversely with pressure. ... Thus Charles's law states that at a constant pressure, the volume of a given mass of gas is directly proportional to its (absolute) temperature. hope this helps
Option A is the one that is considered false since the warm stages that the earth goes through are called greenhouse stages, but the cold ones are not called in the same way but are called glaciation stages.
