Biology

Biology, 03.07.2019 11:20, emmasparkle54

Harmful bacteria not removed by earlier steps in water purification are finally destroyed during

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Chemistry, 20.07.2019 02:30, irwinguevara52

Harmful bacteria not remover by ealier steps in water purification are finally destroyed during what?

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Biology, 27.09.2019 06:00, julianrod1201

Snowmaking machines work by spraying a mist that freezes immediately on contact with cold air. because the sudden freezing kills bacteria, quickfreeze is planning to market a wastewater purification system that works on the same principle. the process works only when temperatures are cold, however, so municipalities using it will still need to maintain a conventional system.which of the following, if true, provides the strongest grounds for a prediction that municipalities will buy quickfreeze's purification system despite the need to maintain a conventional purification system as well? (a) bacteria are not the only impurities that must be removed from wastewater.(b) many municipalities have old wastewater purification systems that need to be replaced.(c) conventional wastewater purification systems have not been fully successful in killing bacteria at cold temperatures.(d) during times of warm weather, when it is not in use, quickfreeze's purification system requires relatively little maintenance.(e) places where the winters are cold rarely have a problem of water shortage.

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Biology, 10.10.2019 06:00, tmrsavage02p7cj16

Which of the following explains one way so-called "good" bacteria can protect the body from harmful bacteria? select one: a. they bind to complementary receptors embedded in the cell walls of harmful bacteria. b. they prevent harmful bacteria from undergoing nucleic acid production. c. they initiate an immune response when they come into contact with harmful bacteria. d. they compete with harmful bacteria for the same food sources and nutrients.

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