Explanation:
Definition of settlement:- Settlement is a building or group of building with people living in them.
Types of urban settlement classified according to population size:
- Town
- Megalopolis
- Metropolis
- Millionaire city
- City
- Conurbation
(b) Ways in which urban settlements depend on rural settlements:-
- Provision of medical herbs
- Provision of agricultural food
- Materials for construction
- Provision of industrial raw materials
- Unskilled labor supply
- Provision of local craft, artifacts, etc.
- Fuelwood and charcoal for urban workers
- culture and tradition
- Retreat for retirees
- Provision of tourist centers/attractions
- Recreation e.g fishing and hunting

(c) Functions of urban settlements:
- Provision of higher-order services
- Port activities
- Commercial markets
- Centers of innovation/ideas
- Socio-cultural services
- Educational
- Administrative
- Employment opportunities
- Dissemination of information
- Religious/ecclesiastical
- Defense/security
- Market for manufactured goods
-Tourism/ recreational
- Seat of royalty/royal functions
- Provision of amenities
- Mining
- Provision of skilled manpower
- Residential/satellite towns