Question

Why is ozone concentrated in a particular range of levels in the atmosphere?
A) It requires a unique temperature and light level which occur at that range in the atmosphere.
B) It is formed from air pollution that reaches that level in sufficient quantities to form ozone.
C) It requires a catalyst, an isolated oxygen atom, and an oxygen molecule, all of which occur in sufficient quantities at that range of levels.
D) It reflects light back into space at that level, and the energy from that reaction fuels the formation of ozone.

Answer

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