National Air Quality Index in 10 cities- Environmental ecology and Climate Change

Q.  Consider the following statements

1. India launched the National Air Quality Index in 10 cities.
2. India ranked 174 th in a survey of 178 countries in environmental preference index

Which of the above statements is/are correct?
- Published on 30 Apr 15

a. 1,2
b. 2,3
c. 1,3
d. All

ANSWER: All

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