(a) Financing is an essential though auxiliary function of marketing. Finance is required to meet fixed and working capital requirement of the business. Business firms often sell goods on credit to merchants and customers to increase the volume of sales. So, funds are required to keep stock, to meet transport, storage and to grant credit. 

(b) The advantages of Rail Transport are : 

1. Railways are more reliable because they follow fixed routes, have regular time schedules and are available throughout the year. 

2. It is very cheaper means for carrying bulky goods over long distance. 

3. It can carry a much larger quantity of goods than motor vehicles. 

4. The freight charges are fixed and do not change frequently. 

(c) According to this right, the consumer must be made aware of his rights and the remedies available under the different laws. The consumer has the right to acquire knowledge and to be well informed throughout life. He should be informed of the negative impacts of consuming adulterated products. When they know about the rights and duties only then they will prevented from exploitation. 

(d) The various sustainable uses of water are : 

1. Use drip irrigation and other water conservation measures in agriculture. 

2. Protect water in water bodies from effluents and toxic materials. 

3. Build small reservoirs in place of a few big projects. 

4. Check over exploitation of surface and ground water. 

(e) Conservation is the planned management of our surrounding to prevent its exploitation or destruction. Whereas restoration means recreation and enhancement of natural resources. People will conserve and restore natural resources only when they are sensitive to the environment and realise the importance of ecological balance. Well informed citizens and environmentalists have the duty to take the initiative in making the common man aware of the need for ecological restoration and conservation.