15 pts With the exception of one type of hydrogen atom, the atoms of all elements contain protons, neutrons, and electrons. • Identify the subatomic particle that determines the chemical identity of an atom of an element.
• Describe the characteristics of the subatomic particle that determines chemical identity.
• How is the atomic number of an element determined?

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 !