Give reason: 1. Solids have a fixed shape. 2. Houses have ventilators.
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1) Solids have a fixed shape and a fixed size. The particles are very close together and held in place by strong forces (bonds). Their particles cannot move around, but they do vibrate. Because the particles cannot move around, a solid has a fixed shape.
2) Whole-house ventilation entails using one or more fans and duct systems to exhaust stale air and/or supply fresh air into the house. Whole-house ventilation systems provide controlled, uniform ventilation throughout the house. ... Ventilation refers to the exchange of indoor and outdoor air.
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1.they have fixed volume, fixed density etc
2.to make the gas escape from the kitchen
it could might be the reason
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