A balloon contains 46.3 L of Helium at 42 oC, and 2.01 atm is released into the air. At a certain altitude, the temperature falls to 21 oC, and the pressure falls to 0.25 atm. What is the volume of the balloon under these conditions? A. 3.5 L B. 35.0 L C. 347.5 L D. 3475.0 L E. None of the Above