Science, asked by GKSGOUTAM2654, 1 year ago

DDT के कीटनाशी प्रभाव की खोज किस वर्ष में स्विटज़रलैंड के गिगी आैषधालय मे पॉल मूलर ने करी ?
(a) 1939
(b) 1941
(c) 1943
(d) 1945

Answers

Answered by dhruvDK
0
Answer is (a) 1939
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Answered by DIVINEREALM
6

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DDT के कीटनाशी प्रभाव की खोज किस वर्ष में स्विटज़रलैंड के गिगी आैषधालय मे पॉल मूलर ने करी ?

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    (a)①⑨③⑨


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