The pressure of a 300 mL sample of gas is 720 MMHG what would be the pressure if the volume or decreased to 200 mL

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon