Answer:
it's called condensation
Explanation:
When warm air hits the cold surface, it reaches its dew point and condenses. This leaves droplets of water on the glass or can. When a pocket of air becomes full of water vapor, clouds form.
Factories, cars and cigoretes.
All of these things are polluting the air cuasing it to heat up more which is cuasing global warming
primary production is the synthesis of organic compounds from atmospheric or aqueous carbon dioxide.