Answer:
1. B.
2. A
Step-by-step explanation:
1. The policy of former soviet union to force the nomadic people onto collective farms had a dramatic effect on the lifestyle of Kazakhstan.
2. The irrigation of lowland river valleys has decreased the flow of fresh water into the Caspian sea, which has decreased the fish production reduction. Now a days the problem of shrinking of Caspian sea is also a serious issue. Because of reduction in fresh water and dumping of industrial waste Caspian sea water is polluted which is also a cause of reduction in number of fishes.