Biology, 18.10.2019 05:00 ScarySkyler5571
How green plants receive energy from sunlight?
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What is histamine and what is its role in allergic reactions
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Which chemical equation is unbalanced? which chemical equation is unbalanced
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Identify the area on the image where the force of attraction is the strongest.
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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
How green plants receive energy from sunlight?...
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