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What are the two major problems with testing for pathogens in water?
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Define the terms potable and pathogens as related to water treatment?
Potable means water that is safe and fit to drink. Pathogens are disease causing organisms, such as bacteria. Water that contains living pathogens is not potable, That water would need to be treated to kill the pathogens or remove them- chlorination, filtration, etc.
Is there a list of pathogens which can be observed with staining.?
There is no index of pathogens which are observable with or without staining. Pathogens can now be detected in flowing fluids, but cannot be identified. The signals now received indicate the size of the cluster only. This represents a major advance as it means that drinking water can be interogated for presence of bacteria.
What was the major problems building the panama canal?
the water rats
What were the major problems of water transport?
Water levels in the rivers are not always regular or sufficient
What are major problems with Air Jordan shoes?
the only real major problem is water and growing out of them
What are the three major water problems in southwest Asia?
Water shortages, unequal distribution, pollution
What are three major water problems in southwest Asia?
Water shortages, unequal distribution, pollution
What organ system blocks the entrance of pathogens into the body and prevents the loss of water from the body?
The integumentary system (skin) blocks the entrance of pathogens and prevents the loss of water.
Where are pathogens found?
catiminatd food or water
Does water provide a habitat in which pathogens breed?
Yes
Why are coliforms used as indicator organisms if they are not usually pathogens?
Coliforms are used as a indicator organism because they are abundant in matrix, easy to find, cost effective. Coliforms has frequently been used in water testing because of all of these benefits.
Chlorine is often used in water purification to do what?
Chlorine is added to water to kill pathogens.
