23. What is metre? How is 100 m related to km and cm? 24. List any four objects that are made from opaque materials. 25. What is the drawback of measuring the length of a table with hand span? 26. Give two advantages of synthetic clothes. 27. Why is water called universal solvent?
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Answer:
meter is a leght that measure the length of ex.road ,house ,etc.
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Explanation:
answer 23:-
100m = 0.1KM100m = 10,000CM
answer 24:- Answer: Tables, cardboard boxes, metal bottles, tooth paste tube and bags are made of opaque materials.
answer 25:-Like the handspan will vary from person to person and the true value would not be same . This is the biggest limitation . Thus, they do not provide accurate measurements . ✨The distance between Delhi and Patna cannot be measured in milimeters
answer 26:-Advantages of Synthetic Fibres
Synthetic fibers have good elasticity. They don't wrinkle up easily. Fabrics made from these fibres are less expensive, durable and readily available in comparison to natural fibers. Synthetic fibers can handle the heavy load without breaking.
answer 27:-Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. This is important to every living thing on earth. ... This allows the water molecule to become attracted to many other different types of molecules.
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