Pretty long I'd say. You will probaly never run out of air because air will always find its way in through cracks in your house. In fact most attics have vents in them. Most houses have running water, so this depends on how much food you have and how long it takes for you to go crazy :)
Closed! If you leave the windows open all the cool air will go out the windows, and your house won't get cool.
Since death is an event without fysical form, you cant, by definition, "close it in" any physical space.
Windows should be closed during strong winds to prevent them from entering the house and causing damage.
The windows are painted shut in this house to prevent them from being opened or closed, possibly due to maintenance issues or to maintain the historical appearance of the house.
A person will not be able to live all that long with windows closed in a house. This is because people gain much of the Vitamin D in their body from the sun. Livinging in a house without any sunlight can also be very depressing.
Unlikely, if within the blast radius most houses of conventional construction would be flattened, if within the thermal flash radius most wooden houses would also ignite and burn, if within the high radiation radius you might die before your house burned and flattened. Windows closed or opened.
Flies can enter a house even when the windows are closed by finding small openings or gaps in doors, walls, or window screens. They are attracted to the scent of food and can squeeze through tiny cracks to gain entry.
if the house is sold can that money be divided before the total estate is closed
Try vacuuming now and then. Keep the windows closed when possible. Install and maintain an air filter. Keep dusty things out of the house.
Yes, it is recommended to keep windows closed during a thunderstorm for safety reasons to prevent lightning from entering the house and to minimize the risk of damage from strong winds and heavy rain.
The first step to getting a musty smell out of a closed up house is to open the windows. You will also want to burn some candles. Spraying Lysol will also help get rid of the musty smell.
They certainly may not sell it before her death! They have no power to do anything.