La respuesta Para esta pregunta C
The reinforcement of Successive Approximations is used in a broad sense of Skinnerian Operant Conditioning
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
Explanation: