Pregunta:
In 4th quality class water, according to saprobic system, the number of bacteria:
Autor: Exciteful ElkRespuesta:
Exceeds 1 million / ml of water
0 / 5 (0 calificaciones)
5 answer(s) in total
Respuesta alternativas:
Is below (less than) 10'000 / ml
Is below 100 / ml
Is below 100'000 / ml
Exceeds 300 / ml of drinking water
Autor
Exciteful Elk