Question

what is the green house effect and what is the role in protecting ozone layer
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Answer 1

Answer:

The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it is reflected back to space and the rest is absorbed and re-radiated by greenhouse gases.

ozone layer:

It absorbs most of the sun's ultraviolet radiation (UV-B), limiting the amount of this radiation that reaches the surface of the Earth. Because this radiation causes skin cancer and cataracts, the ozone layer plays an important role in protecting human health.

Answer 2

Many factories,buildings and houses produce gases like methane,carbon dioxide, hydrogen etc .

This will weaken our ozone layer which protect us from ultraviolet rays of sun. This is known as greenhouse effect.