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Of the whole volume of potable water available on the planet, the subterranean water constitutes more than 98 %. Roraima is locatedin the extreme north of Brazil, in the Western Amazonia region. The groundwater has an important role in the public supply o
Of the whole volume of potable water available on the planet, the subterranean water constitutes more than 98%. Roraima is locatedin the extreme north of Brazil, in the Western Amazonia region. The groundwater has an important role in the public supply o