Sec 2 WB 7.3 Answer

Express

Question 2(a)
Landfill method

Question 2(b)

• Current technology only allows land to be reclaimed from waters of up to 15 metres in depth.
• There is a limit to the amount of land that can be reclaimed as there is a need to reserve a certain amount of sea space for shipping activities.

Question 3(a)
Abandoned mine.

Question 3(b)
The abandoned mine which is derelict or damaged can be reclaimed.

Question 3(c)

• Land for housing because of an increasing population and high population density of 6000/km2.
• Land for industries and services because 65% of the country's income comes from these activities.
• Land for development of water supply due to the increasing population.

Question 3(d)
At A:
The natural habitat for plants and animals will be lost. This may affect the food chain and threaten the survival of animals, leading to the extinction of some plants and animal species.

At B:
The natural habitat for marine plants and animals along the coast will be destroyed.
The coral reefs may get damaged and marine life will be affected.