Advertisements
Advertisements
प्रश्न
What is meant by ozone depletion?
संक्षेप में उत्तर
Advertisements
उत्तर
- Ozone is present in the upper layer of the atmosphere called the stratosphere. It protects the earth from harmful ultraviolet rays of the sun.
- Some air pollutants, like chlorofluorocarbon (CFC), react with ozone present in the atmosphere. These pollutants reduce the density of the air.
- The ultra-violet rays from the sun reach directly on the earth, which affects human health, causing skin diseases and cancer and also increase the earth’s temperature.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
How is greenhouse effect produced?
What is wind?
What do you observe when a burning candle is covered with an inverted jar.
Write the chemical name of Lime water
How is air useful to water boats?
Mention five causes of air pollution.
Name two air pollutants which affect our health.
Name two air pollutants which cause acid rain.
Draw a neat labelled diagram for the following experiment.
To determine the component of air used up in burning, by using phosphorus and a bell jar.
In a number of musical instruments, air plays an important role. Can you name some such instruments?
