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प्रश्न
Complete the statement given below by filling in the blank with the correct word from the words given below
The ______ is a layer which extends up to about 10-50 km. above the earth.
पर्याय
atmosphere
troposphere
stratosphere
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उत्तर
The stratosphere is a layer which extends upto about 10-50 kms. above the earth.
संबंधित प्रश्न
Answer the question put against the following constituents of air :
Oxygen : What is the percentage proportion of oxygen in air ? Why is oxygen called active air.
Define the term smog.
Tick (√) the most appropriate answer.
The presence of water vapour in air is essential for :
Briefly state the importance of Water vapour.
State the utility of oxygen for respiration in living organisms
Complete the statement given below by filling in the blank with the correct word from the words given:
The product formed which is common to both combustion and respiration is ______.
State four different properties of a compound and a mixture.
Mention one necessary condition for the combustion to take place.
______ gas cylinders are used for breathing purpose for a diver going deep into the sea.
Match the following:
| 1. | More industrial cities | a. | dust particles |
| 2. | Coastal areas | b. | Humidity |
| 3. | Rainy season | c. | Carbon dioxide |
| 4. | Windy places | d. | water vapour |
