Which macromolecule is found in the cell wall?
A)
Carbohydrates
B)
Lipids
P...
Answers: 2
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
Biology, 23.06.2019 02:00
Which molecule is split apart during the light reactions in photosynthesis
Answers: 1
Biology, 23.06.2019 15:00
Which of these statements is not true with regard to the process of evolution?
Answers: 3
Biology, 23.06.2019 16:30
The level of oxygen in the air is measured in a garden and on a city road.which location has a higher level of oxygen and why?
Answers: 1
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