Water & the Environment
- 83 שאלות
- -- תגובות
- 0% הושלמו
- equalizer סטטיסטיקות
- share שתף
מנהלים:
Discuss, Learn and be Happy דיון בשאלות
help
brightness_4
brightness_7
format_textdirection_r_to_l
format_textdirection_l_to_r
A high concentration of fecal coliforms was found in a lake in a rural district. The lake is used for recreation and for drinking water. In order to select a management approach, the authorities want to identify the source of fecal contamination and find out whether it comes from domestic sewage leakage, from cows that feed too close to the lake, or from the high numbers of migrating birds. Which culture independent method would be best to use?
1
| done |
מיין לפי
Chlorination followed by UV, is the most common method of disinfection.
1
| done |
מיין לפי
Prevention of waterborne epidemics is mainly attributed to chlorine disinfection
1
| done | ||
מיין לפי
What are the main downsides of chlorine disinfection? Choose two answers.
1
| done | ||
| done | ||
מיין לפי
Of the following, which are advantages of UV disinfection? Choose three answers.
1
| done | ||
| done | ||
| done |
מיין לפי