Browsing Skripsi Sarjana by Keyword "Water River"
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Penentuan Kandungan Logam Tembaga (Cu), Kadmium (Cd), Besi (Fe) dan Magnesium (Mg) dalam Air Sungai Tigan derket Aliran Lahar Dingin Gunung SinabungPasca Erupsi di Desa Tigan Derket Kabupaten Karo, Sumatera (Universitas Sumatera Utara, 2018)Water is a very important element and absolutely necessary for life. Water is used even needed to maintain the survival of living things. Water pollution can lead to the entry of heavy metals that are toxic and can harm ...