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Gnoma [55]
2 years ago
8

Explain the methods of preservation with examples and diagrams?

Biology
1 answer:
nata0808 [166]2 years ago
4 0

Answer:

Among the oldest methods of preservation are drying, refrigeration, and fermentation. Modern methods include canning, pasteurization, freezing, irradiation, and the addition of chemicals.

Explanation:

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When the accumulation of acid in the blood is high,the pH drops below 7.35 and this is called respiratory acidosis.

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