Answer:
B. Not all coliforms are harmless and symbiotic with human beings and some may carry genes/proteins that can make them dangerous to humans; it is best to keep coliforms OUT of our drinking water, since it is difficult to identify which ones might be harmless and which ones might be harmful.
Explanation:
<u>Coliforms refer to a classification of bacteria which ferment lactose</u>, such as E. coli. Thus, they are indicators of fecal contamination in water and food. Even though not all coliforms are dangerous, they may contain pathogens that spread diseases, like viruses, bacteria and parasites.
Answer:
Las redes sociales implican riesgos que como usuarios hemos decidido aceptar. ... cuando esto ocurre, tenemos una clara y desagradable evidencia de ... a la privacidad, pero realmente están cometiendo un profundo error.
Explanation:
Answer:
Law of Conservation of Energy
Explanation:
110% efficiency perpetual motion machines are impossible because 110% efficiency would mean that energy is being created, and according to the law it can not be created nor destroyed
Answer:
provides for cooperation and assistance to help countries develop adequate regulatory systems and safe weapons stockpiles. The adoption of the Arms Trade Treaty marked a turning point in the international community's efforts to regulate the global trade in conventional arms and to promote peace and security.