It really does depend on the country itself, however, the UK's top pollution source is car travel, and Chinas is its amount of Factories, and all over the world, the use of electricity in homes contributes alot.
I would say all of these are the top contributers.
The main cause of marine pollution are humans!!!
stuff was dumped in it.
driving cars is the main i guess
litering of course and the discharge of harmful substances
the main cause of water pollution in South Africa is by urbanisation, deforestation, damming of rivers, destruction of wetlands, industry, mining, agriculture, energy use, and accidental water pollution
the main cause of air pollution is increase motor vehicle, industries like chemical industries etc .these emits co2, Co other harmful gasses. so increase level of these harmful gasses creates air pollution. other main cause is deforestation.
Stress form overcrowding can cause a few things.The main thing it can cause is a panic attack.
No, wind does not cause pollution
Pollution. LOTS of pollution. CFCs primarily. But pollutants are now the main cause of ozone holes as CFCs have been outlawed.
People were and still are, putting their waste into the water. Don't EVER do that!
Matter does not cause pollution. Human beings do.
There isn't any fossill fuels that don't cause pollution. All fossil fuels cause pollution.