On earth, the four major spheres interact as a system. which of these spheres are absent, or nearly absent, on the moon? based on your answer, identify at least five processes that operate on earth but not on the moon

On earth, the four major spheres interact as a system.

Atmosphere, biosphere, hydrosphere are absent. 

Carbon, Oxygen cycle.
water circuit
tsunami (there is no water so no tsunami)
absence of life
there is no atmosphere so all meteorites directly interact with moon surface. On Earth they can be burn into the atmosphere due to the friction process

Ibelieve that would be a