16. ਈਕੋ ਸਕੀਮ ਨੂੰ ਕਦੋਂ ਲਾਗੂ ਕੀਤਾ ਗਿਆ ?
When was Eco scheme implemented
? *
0
1980
O
1984
0 1991
0 1920
0 ਹੋਰ
2
Answers
Answered by
5
Explanation:
Environmental science is an interdisciplinary academic field that integrates physical, biological and information sciences (including ecology, biology, physics, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science)
Answered by
18
The Ans is ਹੋਰ......
Ans is 2013
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