What is the rationale for selecting E. coli as the indicator of water potability?

Q: Given its merits, why has advanced wastewatertreatment not been widely adopted?

A: Introduction: Advanced wastewater treatment has been used for a variety of purposes such as removing…

Q: What are the common elements of puncture wounds, crush injuries,and compound fractures that…

A: Clostridium perfringens and a few other species of Clostridium cause necrotic tissue infections in…

Q: Which OSHA standard is most concerned with microbial hazards?     A)  Hazard Communication Standard…

A: OSHA standard : Occupational Safety and Health Act (OSHA) standards are the rules which explain the…

Q: All of the following are routinely used to preserve foods excepta) high concentrations of sugar.b)…

A: Food preservation is defined as one of the methods to protect food from unwanted microbial growth…

Q: Name the element that causes salinity in the soil.

A: Soil salinity is caused due to an increased concentration of salts in the soil. This process of…

Q: Why is CFU more applicable to a culture of Streptococcus than to a culture of E. coli?

A: Colony-forming unit (CFU) represents the number of colonies formed on the media plate from one…

Q: List three characteristics required of a good sewage indicator:

A: Fecal coliforms are the most widely used sewage indicator organisms. They are commonly used to…

Q: possible solutions to fracking?

A: Hydraulic fracturing or fracking describes the recovery of natural gases from a deep layer inside…

Q: what can we conclude about the effectiveness of these techniques for purifying LDH?

A: Introduction  The enzyme known as LDH, or lactate dehydrogenase, is present in many various kinds of…

Q: How can organisms develop resistance to chemical disinfectants?

A: Bacteria can develop resistance to disinfectants over time either by acquisition of exogenous mobile…

Q: Flasks A and B contain broth, and are inoculated with an identical number of bacteria that are…

A: Since the bacteria are facultative anaerobes, they can respire using both oxygen and other electron…

Environmental effects

Environmental effect is the beneficial or adverse impact of human products, services, or activities on the environment. For example, the release of volatile organic compounds negatively affects the environment and causes smog formation. On the other hand, collecting litter and putting it in bins positively affects the environment.