pollution can be in the air and go into the clouds and when it rains the pollution comes down with the rain. I'm pretty sure that's right...
the plage was spread throughout animals, which carried fleas, and fleas carried the disease. china did not carry the disease, because they had boiling water.
they carried fleas that carried the disease and when they bit they infected their victim
komo hoku tenga
False
It was spread by fleas carried by Black rats.
(The fleas carried on) the Black Rat.
A disease which is carried and spread by an agent (animal or microorganism) is a vector spread disease. Eg. Mosquitoes are the vectors for malaria.
black death spread to Europe. Due to trades and Mongol attacks. It spread via silk road.
By fleas which were carried around by rats.
Black Death was spread by traders and Mongol armies. It came to Europe via silk road.
Pollution is all over world. It is carried to polar region by westerly winds.
Air pollution can spread from one place to another through wind dispersal, which carries pollutants over long distances. Additionally, vehicle emissions and industrial activities can contribute to the movement of air pollution across regions. Topography, weather conditions, and atmospheric mixings also play a role in the spread of air pollution.