Fill in the blanks.(a) Microorganisms can be seen with the help of a _____. (b) Blue green algae fix _______ directly from air to enhance fertility of soil. (c) Alcohol is produced with the help of _______. (d) Cholera is caused by _______.
Harshit Singh , 2 Years ago
Grade 12th pass
1 Answers
Pawan Prajapati
Last Activity: 2 Years ago
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