Water in the atmosphere typically returns to the surface of the earth through the formation of clouds and precipitation. this means that the cycling of water from the atmosphere to the hydrosphere would be most likely to cause

Answerelement;

It should be 2.8 c/m

Firstly, the planetary model of the atom  failed  to explain why individual atoms produce discrete  line spectra. in fact, according to rutherford's model, each individual atom should produce a  continuous  line spectrum. the second flaw to his model was the fact that electrons orbit the nucleus in a circular fashion.