38.9% de Bario, 29.4% de Cr y 31.7% de o

While in europe, if you drive 125 km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car’s gas mileage is 32.0 mi/gal? assume that 1 euro=1.26 dollars

What is the density, d, of a substance with a volume of v = 12.5 cm3 and a mass of m = 74.4 g ?

Based on the law of superposition, which layer of sedimentary rock is the oldest?