SORU: aşağıdaki parçaya göre cevaplayınız
The writer suggests that, by the end of the century, the amount of the arable land available ____ .
There are twelve and a half acres of land for each man,
woman, and child in the world today. However, only
three and a half acres of this land can be cultivated. If
the population of the world reaches six billion by the
year 2000, there will be only one and a half acres for
each person. Man just increases his production of
food. One scientist has said that the world could
support ten billion people if better agricultural
methods were used everywhere. The supply of food
can also be increased by the control of plant diseases,
and by the irrigation of desert lands. By using these
ways and others, man can feed himself and his fellow
men.