e6503375_009__Tanpa_Klasifikasi_Lugansk__3
[0] 36. [1] A student has got the following examination task. The interlayer waters are known to be so much mineralized that they can’t be used for municipal water supply with no treatment. In case of soil pollution by waste products and sewage. There is a danger of subsoil water pollution with pathogenic microorganisms. Name the source of water supply to be the best for middle and small water pipes. [2] * interlayer waters [4] atmosphere waters [5] surface waters [6] springs [3] 
subsoil waters
Krok 2009: Tanpa Klasifikasi Lugansk
3