Biology, 08.12.2020 21:00 jessicaortiz6
Information from which evidence led scientists to believe that the continents were parts of larger plates?
data from hot spots
mid-ocean ridges and earthquakes
ocean current studies
movement around the poles
Answers: 3
Biology, 22.06.2019 19:00, juansebas35
What characteristic makes a cell membrane selectively permeable
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
Information from which evidence led scientists to believe that the continents were parts of larger p...
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