Arrange the following environment related days in chronological order

1.World Health Day

2.World Environment Day

3.Earth Day

4.World Ozone Day

A1, 3, 2, 4 ✓ Correct

B4, 3, 1, 2

C2, 4, 3, 1

D3, 4, 1, 2

Correct answer: (A) 1, 3, 2, 4

Explanation

Placed by their dates in the calendar year, the sequence runs World Health Day, Earth Day, World Environment Day, then World Ozone Day.

Statement 1, World Health Day, comes first on 7 April.

Statement 3, Earth Day, follows on 22 April.

Statement 2, World Environment Day, comes next on 5 June.

Statement 4, World Ozone Day, falls last on 16 September.

World Ozone Day marks the 1987 signing of the Montreal Protocol.

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