Biology, 06.07.2019 10:30 andreamarie2004amg
What effect will the addition of animal waste and decayed plant matter have on the soil and land?
Answers: 1
Biology, 22.06.2019 17:30
Astudent constructs a venom diagram to compare the organelle last in plant and animal cells which organelle should be listed under “both” in the diagram?
Answers: 1
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
What effect will the addition of animal waste and decayed plant matter have on the soil and land?...