water supply and demand

Question 1

what are the percentages of water in their categories across the world

Answer 1

97.5% salt water, 2.5% safe water, 69.5% of the safe water is ice, 30.1% of the safe water is ground water and 0.4% is surface water

Question 2

where does the majority of our water come from

Answer 2

rivers, lakes, aquifers, wells and reservoirs

Question 3

Which areas in the world will water quality be worse?Why?

Answer 3

• Generally poorer quality in drier climates (any water that remains on the surface becomes stagnant and can be a breeding ground for diseases)
• Pollution is higher in urban areas (especially in developing cities)

Question 4

What techniques are used to treat water to make it safe

Answer 4

Chlorination, Aeration, Sedimentation, Filtration and Disinfection

Question 5

how is the water transported and delivered across the world

Answer 5

water bottles, pipes and standpipes/wells