Choose the right answer from the four alternatives given below.

In which one of the following environments does one expect the presence of dispersed rural settlements?

Arid and semi-arid regions of Rajasthan, (C). Lower valleys of Himalayas and (D). Forests and hills in north-east, are regions where the climate and the soil fertility present conditions for dispersed rural settlements.

The rich alluvial plains of Ganga provide ideal location for clustered settlements.