297 J of heat are needed to raise the temperature of aluminum from 22°C to 55°C where the specific heat of aluminum is 0.90 J/g°C. What is the mass of the aluminum?

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

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 !

How does a nuclear reactor produce electricity?