Anyone wanna talk im bored
Happy Valentines day...
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Biology, 22.06.2019 11:00
Examine the air pressure map. which type of line is shown on the map?
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Biology, 22.06.2019 20:00
Name the tissue types that form the wall of each organ in questions 7-10
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Biology, 22.06.2019 22:30
Explain in your own words what caused pangea to separate and why we don't worry about earthquakes in florida.
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Biology, 22.06.2019 23:00
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
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