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प्रश्न
Why did the need for man-made materials arise?
उत्तर
For several years, humans have been dependant on natural materials to meet their demands. However, there has been a shift towards the use of man-made materials as well. Increasing population, deforestation, and limited natural resources are some of the reasons due to which they need for man-made materials arose. Another reason which led to an increase in the use of man-made material was to get a comfortable lifestyle.
संबंधित प्रश्न
Rubber made by vulcanization is a ______ material.
Man-made materials are made by ______ natural materials.
Which are the natural materials obtained from plants and animals?
What are we used for?
Soil
What are we used for?
Wood
What are we used for?
Paper
What are we used for?
Rubber
Give scientific reason.
Man-made materials have more demand.
Find out.
How is lac obtained from nature?
Find out.
How are pearls obtained?
