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xxMikexx [17]
3 years ago
11

Explain what a ventilation system is for?

Biology
1 answer:
MissTica3 years ago
3 0
Without mechanical ventilation to provide fresh air, moisture, odors, and other pollutants can build up inside a home. Mechanical ventilation systems circulate fresh air using ducts and fans, rather than relying on airflow through small holes or cracks in a home's walls, roof, or windows.
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