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It is useful because we can breathe it.
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∙ 14y ago
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How is ozone can be harmful or useful when it absorbs ultraviolet rays and changes into normal oxygen?
Ozone is useful. The oxygen forms again transforms to form ozone.
Is oxygen is the harmful or useful gas?
That depends on what effect is desired; If you like to breathe, it is a useful gas; If you prefer that your car (or whatever) not be rusty (oxidized), then it is a harmful gas.
Is ozone turning into oxygen a harmful or useful reaction?
It is harmful at ozone layer. It is because this leads to depletion of ozone.
Is it useful or harmful when ozone in the upper atmosphere absorbs ultraviolet rays and changes into normal oxygen?
The oxygen formed in upper atmosphere is not for breathing. It forms again into ozone by natural phenomenons.
Are lions harmful or useful?
lion are useful and harmful
Is a ameoba harmful or useful?
It is not harmful. Also it is not useful
What are Useful and Harmful Changes?
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
Is a butterfly useful or harmful?
useful
You cook some chips in the oven useful or harmful?
i think its both harmful and useful
Is natural gas useful or harmful?
it is useful
Which are harmful and useful to human being?
Ozone at ground level is harmful. It is useful in stratosphere as it protects us from harmful UV rays.
Is carbohydrate useful or harmful?
A carbohydrate can be useful or harmful depending on the type that is eaten. Good carbohydrates have fiber in them.
