Biology · Our Environment - Ozone Layer

Which of the following statements is correct about ozone?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1It directly causes blood cancer.
2It is formed by combining only two atoms of oxygen.
3It is completely non-poisonous to breathe.
4The decrease in the amount of ozone in the atmosphere is primarily due to chlorofluorocarbons (CFCs).✓

Correct answer

The decrease in the amount of ozone in the atmosphere is primarily due to chlorofluorocarbons (CFCs).

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