Answer:
Fecal contamination can arise from sources such as combined sewer overflows, leaking septic tanks, sewer malfunctions, contaminated storm drains, animal feedlots, and other sources. ... coli may be washed into creeks, rivers, streams, lakes, or ground water
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Answer:
not d, a seems too out of reach, I'd say c or b
Answer:
Turks spread the hegemony of Islamic political systems by adopting Muslim titles instead of other options available. This is seen in the eleventh and twelfth centuries when, “rulers began to claim the Muslim title of sultan”. This adoption of Islamic political systems in the area greatly influenced the religion that populated the region.
Explanation: