Is the synthesis of ozone, O3, from oxygen, O2, an example of an exothermic or endothermic reaction?

A. endothermic because ultraviolet light is emitted during its formation
B. exothermic because ultraviolet light is emitted during its formation
C. endothermic because ultraviolet light is absorbed during its formation
D. exothermic because ultraviolet light is absorbed during its formation


Answer: C

Environmental & Atmospheric Sciences

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What contributing factors (mechanisms and conditions) produce the even distribution of precipitation throughout the year in Montreal?


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