Fill in the following blanks with suitable words (a) Alcohol is produced with the help of (b) Blue-green algae fix directly from air to enhance fertility of soil. (c) Micro-organisms can be seen with help of (d) Cholera is caused by . (e) Common salt has been used to preserve and for ages. (f) The food material which is preserved by pasteurization is (g) As a result of the nitrogen cycle, the percentage of nitrogen in the atmosphere remains more or less
ScienceClass 8ICSEAnswered 28 Mar 2026
Answer
Answer
Answer
- Alcohol is produced with the help of
- Blue-green algae fix nitrogen directly from the air to enhance fertility of
- Micro-organisms can be seen with the help of a
- Cholera is caused by
- Common salt has been used to preserve meat and fish
- The food material which is preserved by pasteurization is
- As a result of the nitrogen cycle, the percentage of nitrogen in the atmosphere remains more or less
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