As per a new study by Greenpeace in 2018, which is the most polluted city on earth?

Correct option is A

The correct answer is (A) Gurugram.

Explanation:
As per Greenpeace's 2018 study, Gurugram was the most polluted city on earth.

Information booster:

• Greenpeace Study (2018):
  • Focused on air pollution and its impact on health.
  • Gurugram was ranked the most polluted city based on air quality.

Incorrect options explanations:

• Shanghai:Not the most polluted in 2018.
• Dhaka:High pollution but not the top in 2018.
• Tokyo:Has better air quality compared to the others.