(a) (i) Distinguish between human capital and physical capital. (ii) Define Sustainable Development.

Human capital refers to the stock of knowledge, skill and ability imbibed in the owner of the same, i.e., human capital is inseparable from its owner. It cannot be sold in the market, only its services can be sold in the market.

Whereas;

Physical capital are the assets (plant and machinery, building etc.), which are tangible in nature. It is separable from its owner. It can be transacted in the market.

Sustainable Development is the development that meets the need of the present generation without compromising the ability of the future generation to meet their own needs.

Micro-credit programmes have emerged to fill the gap in the formal credit system. The formal credit delivery mechanism has not been fully integrated into the rural social structure. Due to non-availability of collateral, a vast proportion of poor rural households go out of the credit network. Micro-credit system has brought these poor households in the ambit of formal credit system by providing them loans at a concessional rate of interest.

Use of wind energy.