What is the relationship between the frequency and wavelength of a wave

Which statement best describes how private industry decides where to spend the money on research and development

True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.

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.