Which of the following is the best hypothesis for this experiment? (remember that the variable we are going to manipulate is the if part of a hypothesis and the variable we hope will respond and we will measure is the then part of a hypothesis.) question 1 options: a. if i increase the pressure outside of an air filled balloon, then the balloon will become smaller b. if i increase the temperature of the air in a balloon, then the balloon will become larger. c. if i increase the size inside of a balloon, then the air in the balloon will become hotter.