Please select a subject first
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When seen from a great distance, the sky seems to be touching the ground along a circle. This circle is called the ______.
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The ______ is used while defining the zodiac signs.
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Classified according to seasons, one season will have ______ nakshatras.
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The rising of the sun in the east and its setting in the west is the ______ motion of the sun.
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What points should be considered before a skywatch?
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The frequency of sound is measured in ______.
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Explain how the frequency of oscillation is related to the length of a pendulum and the amplitude of its oscillation.
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Explain the two ways by which the pitch of the sound generated by a stretched string can be changed.
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Write an answer to the following question in your own words.
What is a cloudburst?
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The organelle called the ______ is present in plant cells only.
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In the cell, photosynthesis is carried out with the help of ______.
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Sketch and describe in your own words the plant cell.
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The substance that helps water to remove dirt from the surface of materials is called ______.
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Synthetic detergents can be used in ______ water as well.
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How does the use of detergent help to clean soiled clothes?
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Make a list of detergents that you use.
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What should be expected from detergent for delicate garments?
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What are the similarities between Natural detergents and man-made detergents?
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