Science, asked by Bishnoisonu413, 2 months ago

निम्नलिखित में से वातावरण के लिए हानिकारक नहीं है 1)उर्वरक
2)खाद
3)खरपतवार नाशी
4) डीडीटी​

Answers

Answered by meghadhir
0

Answer:

2

Explanation:

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