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nkirotedoreen46

Answer:

5-8

Explanation:

To answer the question we need to know that;

  • A pH of 1-6 is said to be acid with 1-3 being strongly acidic, while a pH of 8 to 14 is said to be basic with 12-14 being strongly acidic.
  • Many living organisms or life systems tend to operate at a neutral pH.
  • Neutral pH is the pH of 7 or close to 7.
  • In this case, the pH of between 5 and 8 is fairly neutral.
  • Extreme pH such as very acidic pH and very basic pH would be hostile to body systems of most living organisms.
  • Therefore, life needs to maintain an almost neutral pH of 5 to 8.

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