Explain how Milankovitch cycles can be used to predict future changes in Earth's climate

Iknow #2 is d. i just need to know why

24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm

Volume is a measurement of how fast particles of a substance are moving