Bob makes some fruit punch that contains apple juice and mango juice in a 1:5 ratio. If he uses 15 pints of the mango juice how many pints of apple juice will he need

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Which object has the least amount of kinetic energy? a. a car driving down a road b. a soccer ball rolling down a hill c. a bicycle locked to a bike rack d. a satellite orbiting earth

Why are gold and platinum used for jewelry