'Sand and clay which are abundantly available in theearth's crust have significant roles in the comfort zone of modern life''. Comment on this statement.

'Sand and clay which are abundantly available in theearth's crust have

1.	'Sand and clay which are abundantly available in theearth's crust have significant roles in the comfort zone of modern life''. Comment on this statement.
Answer» Solution :Sand is the important component in all types of mortars such as lime mortar andcement mortar.Sand is also the component of cement concrete and reinforced cement concrete (RCC) which contributes to the infrastructure development invarious fields of modern LIFE. Clay palys important role in ceramics,bricksand various building material, sanitary equipment and household ARTICLES. Because of their DESIRED properties they CONTRIBUTE to a significant role in the comfort zone of modern life.