A noun for damp, stale air is must or mustiness; the adjectives are musty or dank.
a stale air.
This has much to do with how the air conditioner and the heater is vented. If the air conditioner draws its air from outside it could be picking up air / smell of smoke from the other family and then redistributing it into your home. A heater on the other had usually has a heater input vent within the house it is heating (it draws the interior air in and then heats it blowing it back out) as the air within the home will be significantly warmer than the exterior air.
Type your answer here... cold, damp both are predicate adjectives
go to google damp head
A builder may recommend damp proofing for certain parts of construction. This maybe do to the room of the house or the homes location in a highly humid area.
get a dehumidifier or a product called damp rid
Stale air is air that has not been circulating. This stale air is usually found in an enclosed space such as a closed up house.
The air could be polluted so I guess that polluted air could count as stale.
Humans
The opposite of stale (food, air) would be fresh. The opposite of stale (tired, cliche) would be new, or original.
hot air is richer in oxygen than damp air because when you sex a girl it is hot
leave it exposed to the air, then after a few days (5 days or more) it will become stale.
Leave it unwrapped and exposed to the air ... if you want it to just get stale, the air should be relatively dry. If you want it to get moldy, the air should be moist, and you should keep it in a dark environment.
it rusts faster when it is damp cause the moisture of the damp and oxygen when they meet they create rust
Yes
An air tight container to keep it from going stale.
If left sitting out of the package long enough to become soft, if they are old to become stale, or if they become damp or soggy, chips will lost their chop.
Tents will smell stale and musty after a period of storage. Tents are aired out to give them a fresh smell of air you would want to be breathing while inside the tent. More than that. many tents have Nylon outers but cotton inners, and the latter will attract destructive mildew if left packed damp; and eventually rot.