निम्नलिखित में से कौन सा विकल्प ग्रामीण बस्ती के रूप को उसके अंतर्निहित कारण से सही ढंग से जोड़ता 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: