Bacteria will start to form on foods left out over an hour.
If you boil milk and leave it on the stove for too long, it can scorch and form a thick layer on the bottom of the pot. This can give the milk a burnt taste and ruin its texture. Additionally, the milk may curdle, separating into solid curds and liquid whey.
nothing
If you leave the contraceptive implant in too long, you could get pregnant. There is no medical danger from leaving it in other than pregnancy.
it will get curnled
If you leave the copper IUD in too long, there are no potential health problems. If you leave a hormonal IUD like Mirena in too long, you may not be protected against pregnancy, but there are no other risks.
It shribbles and if you leave it in there too long it dissolves
This is a chemical change.
If your milk is clumpy is it sour probably by setting out to long. This clumping is called curdling, and is something that happens naturally if milk has been left out in room temperature for too long or if it reacts to some enzyme or bacteria that causes it to curdle.
You will vomit!
I can tell you what happens because I have done this. It smokes and burns!
I assume you mean NuvaRing. if you leave it in too long it stops being effective and you could get pregnant. Most birth control failure comes from improper use, so it's a good idea to follow instructions carefully.
i think a suitable amount of time 2 hours or so because they live good in apartments. Leave a bowl of food, water or milk, and a couple toys, and they should up. Be careful because the poor little doggie may get lonely; don't leave it too long or too many times!!