In Beijing and China
Not likely. It's the chief source.
It's called acid rain, and comes from pollution in the air from factories, cars and anything that burns fossil fuels.
microtrauma
oxygen
most likely that if the air pollution is not stoped the world will be a dark place in about 1oo years or so
High altitude particulate pollution may be helping to reduce global warming.
breathing
Transportation
Osmosis is the movement of water from an area of high water concentration to an area of low concentration across a permeable barrier. In this case, the area of high concentration is the fruit and the area of low concentration the air surrounding it, water will move down a concentration gradient into the air.
any particulate that changes the atmospheric quality, exhaust emissions rank high on list be from industry or automotive
The likely word is humidity (concentration of water vapor in the air).
air pollution is a ecological balance