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Environmental science is an interdisciplinary academic field that integrates physics, biology, meteorology, mathematics and geography (including ecology, chemistry, plant science, zoology, mineralogy, oceanography, limnology, soil science, geology and physical geography, and atmospheric science) to the study of the environment, and the solution of environmental problems.
Argentina, [C] officially the Argentine Republic, [A] [D] is a country in the southern half of South America.Argentina covers an area of 2,780,400 km 2 (1,073,500 sq mi), [B] making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world.
Colombia, [b] officially the Republic of Colombia, [c] is a country primarily located in South America with insular regions in North America.The Colombian mainland is bordered by the Caribbean Sea to the north, Venezuela to the east and northeast, Brazil to the southeast, Peru and Ecuador to the south and southwest, the Pacific Ocean to the west, and Panama to the northwest.
A team led by Daniel Corach conducted a study in 2010, analyzing 246 samples from eight provinces and three different regions of the country. The results were as follows: the analysis of Y-Chromosome DNA revealed a 94.1% of European contribution, and only 4.9% and 0.9% of Native American and Black African contribution, respectively.