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if a modern home is built too tightly, the air change rate per hour is reduced. Ventilation may be increased to safe levels by ________.

Respuesta :

Answer:Mechanical ventilation system

Explanation:

Ventilation can be increased to safe levels by using mechanical ventilation system to bring in more fresh air.

There are many ways to provide ventilation for example

  • providing ventilation fans in kitchens and bathrooms to remove allergens,moisture.
  • A duct should be provided such that it provides fresh air to different rooms and provision should also be made to remove the poor air inside home.

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