Answers: 2
Biology, 22.06.2019 08:30, aniecethompkins82
Which of the follow describes a disadvantage secondary sources have compared to primary sources?
Answers: 1
Biology, 22.06.2019 23:00, sanchezp0821
Waste water from industries and domestic sources can be treated by chlorination or ultraviolet radiation. there are pros and cons to using either chlorine or uv radiation to kill harmful microorganisms. what is one reason chlorination would be preferred over ultraviolet radiation? a) chlorine only eliminates visible impurities and is ineffective against microorganisms. b) chlorine not only kills bacteria but provides a residual effect on returning microorganisms. c) uv radiation can be used only to treat drinking water and is ineffective in treating waste water. d) ultraviolet radiation is more effective
Answers: 2
Mention the location of the kidney in our body....
Mathematics, 12.07.2019 01:40
Mathematics, 12.07.2019 01:40
Mathematics, 12.07.2019 01:40
Mathematics, 12.07.2019 01:40
Mathematics, 12.07.2019 01:40