Neo and the agent stand in different locations and the length of the line between them (their distance apart) is a measurement of

a: space in one dimension
b: space in two dimensions
c: space in three dimensions
d: space in four dimensions

Nacidified solution was electrolyzed using copper electrodes. a constant current of 1.18 a caused the anode to lose 0.584 g after 1.52 ✕ 103 s. given that the charge of an electron is 1.6022 ✕ 10−19 c, calculate avogadro's number. assume that copper is oxidized to cu2+ ions.