Refer to graph of a chemical reaction. what is true of the reaction shown here?

a* the reaction rate speeds up over time.

b* the rate of the reaction is not constant.

c* the reaction rate is consistently slow.

d* the rate of the reaction does not change with time.

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 !