Actually it does empty its content until the level of the liquid inside and outside is the same.
Plastic bottles, many clear plastic products, and the coatings on the insides of cans are examples of places that you can find BPA. Since it has been shown to be harmful to people, it has been banned in baby bottles. Many makers of reusable plastic bottles have stopped using the chemical in their products over concerns of health issues stemming from exposure.
One similar myth is that microwaving water bottles will release the dioxins. Another is that leaving bottles of water out in the sun will release dioxins. There are problems with heating up plastics, but it does not release dioxins.
There are chemicals that can be released in certain plastics when heated up, and they are called phthalates.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.