What happens when the earths plates pull away from eachother

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

What is the common name for the compound shown here? enter the common name of the compound shown?

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 !