Final answer:
b. Delhi, the capital city of India, is plagued by air pollution, massive trash piles, and a lack of water.
Step-by-step explanation:
The city being described is b. Delhi.
Delhi, the capital city of India, faces several environmental challenges such as air pollution, massive trash piles, and scarcity of water. The city's rapid growth, industrial activities, and increasing population contribute to these problems.
For example, Delhi is notorious for its poor air quality, with heavy smog often covering the city, affecting air travel and posing health risks to its residents. Additionally, the city faces water scarcity, which impacts both drinking water supply and agriculture.