e6503375_009__Tanpa_Klasifikasi_Lugansk__3
[0] 168. [1] For preventive purposes the student drinks mineral waters. What mineral water can be used for everyday drinking? [2] *potable [4] boric [5] hydrosulfurous [6] radon [3] 
arsenic
Krok 2009: Tanpa Klasifikasi Lugansk
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