Planet Bizzaro has an atmosphere of pure oxygen (O2). At the surface, the O2 density is 1019 cm-3; the density decreases to 1.35×1018 cm-3 at an altitude of 10 km. The average gravitational acceleration is 5 m/s?. The molecular weight of O, is 32 amu and 1 amu = 1.66×10-27 kg. What is the average scale height between the surface and 10 km? Report your answer in km to 2 significant digits. The average scale height is km

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