These problems are likely caused by urbanization.

air pollution
declining birth rate
forest overgrowth
housing shortages
overcrowding
volcanic eruptions
water pollution
water shortages

modern sasaram city covers the largest sub-metropolitan area of bihar. it has many famous religious and historical spots and is surrounded by the scenic kaimur mountain range and rivers like sone and kav. sasaram city is situated in the middle of many industries.

explanation:

answer; the above statement is (true);