Indus river covers plain area___________?
A. 100,000 square miles
B 200,000 square miles
C. 300,000 square miles
D. 400,00 square miles
The Indus River plain is a vast expanse of fertile land, covering about 200,000 square miles (518,000 square km), with a gentle slope from the Himalayan piedmont in the north to the Arabian Sea in the south.