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प्रश्न
Draw a fully labelled diagram of the water cycle and explain its working and significance with reference to the diagram.
उत्तर
The water is evaporated from the surfaces of open oceans, seas, rivers, lakes, and from the surface of living organisms. The evaporated water gets condensed, precipitated, and form the water droplets. These water droplets are returned to the earth in the form of rain and snow or it may drop directly into the oceans. If it falls on land, it again flows back into the oceans through rivers and streams. The evaporation rainfall cycle repeats several times to get the average rainfall.
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संबंधित प्रश्न
Study the picture and answer the questions that follow.
(a) What is meant by the Solar System?
(b) Give two differences between a planet and a star.
(c) Name the planets known as terrestrial planets.
(d) Give two advantages the earth has over other planets.
(e) What are satellites?
How much time does a ray of moonlight take to reach the Earth?
Give a reason for the following:
Earth is called a “Watery Planet”
Distinguish between the following pair.
Periodical and Non-periodical comets
Distinguish between the following pair.
Meteors and Meteorites
Name the following:
Two planets which are farther from the sun than the Earth.
What do you understand by ‘Terrestrial Planet’?
The Earth is the _______ planet from the sun.
Which are the biggest and smallest continents on our earth?
The elliptical path in which the planets move around the Sun is ______.
