The South Asia was known as Hindustan throughout history.
The correct option is A.
Plants can participate in both mechanical and chemical weathering of rocks. Mechanical weathering occurs when rocks are broken into smaller particles as the result of the roots of plants which grows and push them apart. Chemical weathering occur when the plant roots release chemicals, such as acids, which help in breaking down the rock particles.
The best answer to the question above would be letter D. The inhabitants near Lake Baikal in Russia had protested about its pollution and forced some of the worst offenders to close. This is because they are afraid that the Lake might be a threat to their lives because it affects their lives directly when it is not properly conserved.
I think it would be c because an archipelago is a group of islands