Urbanization became famous during industry revolution. There were factories being built and also there were more agricultural workers attracted to the work available then in the cities and also there were new immigrants that increases the population of the cities.
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Solid waste comprising of garbage and rubbish (such as bottles, cans, clothing, compost, disposables, food packaging, food scraps, newspapers and magazines, and yard trimmings) that originates from private homes or apartments. ... Also called domestic waste or residential waste.
Researchers found a total of 138 volcanoes in the West Antarctic Ice Sheet overlying the West Antarctic Rift System, 91 of which had never before been identified. Basically they have never seen those types of volcanoes before.
Some of the world would be dark and some would be light so it would get confusing