Answer:
Explanation:
Desalination is an important source of water supply for Singapore. With the Tuas desalination plant, we can meet up to 30% of Singapore's water needs. The Tuas desalination plant is the first in Singapore to use advanced pretreatment technology, a combination of dissolved air flotation and ultrafiltration.
<span>Aid agencies estimated that approximately four million residents of Somalia required food aid in 2009. </span>
A population pyramid is definitely a way you can see the sizes of different age groups in a population.