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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.
विकल्प
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
Name and briefly explain four ways by which pollution of air caused by humans is minimised.
Tick (√ ) the most appropriate answer.
Magnesium burns with a dazzling white flame to form magnesium oxide, a powdery mass. The colour of magnesium oxide is :
Write fully balanced equation for the following :
CO2 + H2O →
With the help of a labeled diagram, describe a simple experiment to show the presence of oxygen and nitrogen in air using a piece of white phosphorus.
What are the components of air?
How do the roots of land plants get oxygen for breathing?
Carbon dioxide with water changes
During respiration, carbon-di-oxide is exhaled out of the body through the ______.
Air also contains a small amount of carbon-di-oxide, water vapour, and some other gases like argon,
Usha took a lump of dry soil in a glass and added water to it till it was completely immersed. She observed bubbles coming out. The bubbles contain ______.
