Measure the gas around it
According to Hindu tradition, the source of the Ganges River is the god Shiva's hair (D).
Explanation: It was one of the largest cities of the ancient Indus Valley Civilization, also known as the Harappan Civilization, which developed around 3,000 BCE from the prehistoric Indus culture. ... Mohenjo-daro was the most advanced city of its time, with remarkably sophisticated civil engineering and urban planning.
I believe the answer is A. Spain
Not sure what’s the answer but try this. One promblem in the Southwest is the Asia water pollution.