Examine why a system of managed retreat may not be a feasible option in some parts of the coast (6 marks)

When a government embarks on an intentional, purposeful, calculated relocation of people and buildings away from risks, this is usually referred to as a Managed retreat.

This is usually carried out due to the presence of hazardous conditions such as the prevalence of wildfire, flood, earthquakes, wildfire, or drought.

Managed retreat strategies are usually accompained by allowing the shoreline to retreat naturally. The disadvantage of this is that land is lost and soon there will be the need for another retreat each time costing the government a lot of resources.

A more feasible option (in some cases) would be to execute "Hard Engineering"

This involves the construction man-made civil structures which try to control natural processes.

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c, this answer is productivity.

since there isn't any suggested answers i will give you the reason and hopefully you can figure it

south africa, or rather all of africa, has not been in the location in which it is nowadays throughout the geological past. after the super-continent pangaea started to break apart, gondwanaland, in which was africa, moved further south, and parts of it came to be very close to the south pole. because the climate in this part of the world is very cold due to the very dispersed sun rays in there, what is now south africa, started to freeze, and the conditions were right for the formation of glaciers. the glaciers existed up until the period when gondwanaland started to break apart and what is now africa started to move towards north, sp it warmed up and the glaciers melted.