Question

1. As the result of
a) shortening ;
b) shrinkage;
c)reduction.
of the Aral sea a lot of fishermen lots their job.

2.The fertile soil is covered by.
a) the water;
b) the salt;
c) fertiliger blownof the dry sea bed.

3.The people of the world need
a) polluted water;
b) mineral water;
c) portable water.

Answer 1

1 b) shrinkage

2 b) the salt

3 c) potable water (именно так пишется питьевая вода по-английски, слово  portable сюда никак не подходит)