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12 hours ago · v. t. e. Pollution is the introduction of contaminants into the natural environment that cause adverse change. [ 1 ] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally ...
12 hours ago · Brazil, [ b ] officially the Federative Republic of Brazil, [ c ] is the largest and easternmost country in South America and Latin America. It is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo.
