A weather balloon contains 59.5 L helum at sea level, where the atmospheric pressurels 101.3 kPa. Meteorologists want the balloon to eat at an altitude of
35,000 m where the pressure is 0.575 kPa. What volume will the balloon have at that altitude?

Need what is special about water as a compound? how does water regulate climate? what drives water evaporation?   why is the water vapor fresh water when it rises from the ocean? why might freshwater in the form of snow take longer to enter the water cycle again than liquid precipitation?   what is an aquifer? what role do people play in the water cycle? plz just answer as many as you can ! thx if you !