Answer:
a
Explanation:
The built environment has an impact on the natural environment.
Under the leadership of Mikhail Gorbachev, the doctrine of Perestroika called for more local control and free-market practices. The correct option among all the options that are given in the question is the second option or option "B". I hope that this answer has come to your help.
The three rivers are;
The Satluj Basin
The Ganga Basin
The Brahmaputra Basin