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Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.
Within the sciences, the word "contamination" can take on a variety of subtle differences in meaning, whether the contaminant is a solid or a liquid, [3] as well as the variance of environment the contaminant is found to be in. [2] A contaminant may even be more abstract, as in the case of an unwanted energy source that may interfere with a process. [2]
The May 1998 Indonesia riots (Indonesian: Kerusuhan Mei 1998), [1] also known colloquially as the 1998 tragedy (Tragedi 1998) or simply the 98 event (Peristiwa 98), were incidents of mass violence and civil unrest in Indonesia, many of which targeted the country's ethnic Chinese population.
The COVID-19 pandemic in Indonesia is part of the worldwide pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).