Directions: Select ALL the correct answers. Which two statements from the passage best support the idea that there is a need for new scientific development
in the field of desalinization?
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It is estimated that some 30% of the world's irrigated areas suffer from salinity
problems and remediation is seen to be very costly
Distillation is perhaps the one water treatment technology that most completely
reduces the widest range of drinking water contaminants.
The "simple hurdle that must be overcome to turn seawater into fresh water is to
remove the dissolved salt in seawater.
Other methods are available but the current processes are expensive,
energy-intensive, and involve large-scale facilities
The low-tech approach to accomplish this is to construct a "solar still which uses
heat from the sun to run a distillation process