The model shows the models of protons (+), neutrons (N), and electrons (-) in an atom, along with three different models of these subatomic particles. image

Which of the following identifies the models that represent an ion and an isotope of the original atom?

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 !