In upper layer of atmosphere ozone is formed by Options: A . &nbspThe action of nitrogen on oxygen in atmosphere B . &nbspSubjecting oxygen to high pressure C . &nbspThe combination of oxygen molecules D . &nbspThe action of ultraviolet rays on oxygen

In upper layer of atmosphere ozone is formed by

Question

In upper layer of atmosphere ozone is formed by

Options:

A . The action of nitrogen on oxygen in atmosphere

B . Subjecting oxygen to high pressure

C . The combination of oxygen molecules

D . The action of ultraviolet rays on oxygen

Answer: Option D

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