Which of the following might a physicist choose to study? O A. The effects of fast pitches on wooden baseball bats
O B. The effects of water pollution on tadpoles
O C. The amount of salt in human saliva
O D. The amount of iron in moon rocks

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 !