2024 NOV Flashcards
outline one effect that the dams in the upper course of the mekong river might have on agricultural land in cambodia (2)
- less productive for farmers
- as less water reaches the farmland downstream
explain how river deposition may create a delta (3)
- when the river enters the sea the velocity decreases
- so the sediment carrying capacity decreases
- and bedload is deposited
explain how river erosion may create a waterfall (3)
- hydraulic action and abrasion
- erodes the softer rock easier
- and undercutting occurs
suggest two ways in which an ageing population can benefit a country (2+2)
1
- ageing population can lead to a more experienced and skilled workforce
- which improves productivity
2
- reduction in spending on education for youthful population
- able to invest the money into other aspects of society like infrastructure
explain one social consequence of voluntary internal migration in a source area and one social consequence in a destination area (2+2)
SOURCE AREA
- closure of social amenities such as schools and hospitals
- due to shortage of labour
DESTINATION AREA
- could lead to informal settlements
- as an influx of people puts pressure on housing
one advantage and one disadvantage of using proportional symbols to display data on a map (2)
ADVANTAGE
- visually appealing
DISADVANTAGE
- time consuming to construct
