General Knowledge
Medium
Question
When Earth day celebrated first time?
A
22, April 2005
B
22, April 1998
C
22, April 1969
D
22, April 1970
✓ Official correct answer
Community credibility
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A
22, April 2005
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B
22, April 1998
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C
22, April 1969
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D
22, April 1970
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