Hi. I am not sure if there are choices that should be included in your question. In case there are none, let me go ahead and answer this for you. The activity occurred during the Golden Age of Muslim culture was the major discoveries in mathematics and sciences. The Arab World contributed greatly in the modern science and mathematics.
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the fertilizers used by farmers contaminate the river
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Sovereign states
Sovereign states Status More information
Mexico De facto Mexican Spanish
Colombia De jure Colombian Spanish
Spain De jure Peninsular Spanish
Argentina De facto Rioplatense Spanish