Another alloy called nichrome contains only the elements chromium and nickel. 100 g of nichrome contains 20 g of chromium. How much nickel does it contain?

Why are pipes bursting in the in extremely cold weather?

When a scientific theory has been tested and proved by the scientific community, it becomes a law

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 !