निम्नलिखित में से कौन सा ग्रामीण बस्ती का प्राथमिक आर्थिक व्यवसाय है?

Clustered (compact) human settlements are generally expected in which of the following areas?

Villages consisting of several small hamlets separated by fields are termed ________ settlements.

A settlement aligned along a transport corridor or river valley is known as a: