In the lower atmosphere, oxygen turns into ozone (O3) which is toxic to humans, by the energy provided by lightning. 3O2 (g) + heat <-> 2 O3 (g) Indicate the possibilities to reduce ozone formation at low altitude Select all the alternatives that apply a) Increase pressure b) Increase the volume c) Lower the temperature d) Eliminate the O2 that is formed as the equilibrium shifts

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