YDS CÜMLE ATMA / TEST 6 28. Soru

28.

(I) Nearly three quarters of the earth is
covered with water. (II) Still, people are
under the threat of water shortage in most
parts of the world. (III) The famine in Africa
is the result of several years of drought.
(IV) Therefore, scientists see it as an
obvious solution to convert sea water in
order to increase the fresh water supply.
(V) So, they are experimenting with two
methods, the well-known distillation
process and the freeze-separation
process.