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Within the field of soil science, soil chemistry encompasses the different chemical processes that take place, including mineral weathering, humification of organic plant residues, and ionic reactions involving natural and foreign metal ions that play significant roles in soil. Chemical reactions occur both in the soil solution and at the soil particle solution interface the latter surface reactions being vitally important in soil properties and behavior. The binding of ions to soil particles is important in defining the fate of foreign species, such as pollutants, and has a direct impact...

This book analyses the rise and decline of the Basque terrorist group "Euskadi Ta Askatasuna" (ETA, Basque Homeland and Freedom). ETA declared a unilateral ceasefire in November 2011, bringing to a close a campaign of political violence that started in the late 1960s. By the beginning of the twenty-first century, the overwhelming majority of secession supporters agreed that an independent Basque homeland would be realised through ballots and not bullets .

Providing an inter-disciplinary overview of radical Basque nationalism that pays special attention to the drivers for ETA s decline,...