Which of the following has a mass of 40.0 g?
a 1.34 x 1024 molecules H2O
b 2.22 mol H2O<...
Answers: 3
Biology, 21.06.2019 14:00
In which of the following ways is the function of the surface of a microsphere similar to the function of an actual cell membrane? a.both make it possible for the conditions in the interior to be different from the conditions outside. b.both provide a barrier that keeps water from flowing across it so the interior remains dry. c.both separate the rna that forms in the interior from any rna that might form in the environment. d.both can actively move molecules into the interior or out into the surrounding environment.
Answers: 2
Biology, 22.06.2019 06:30
Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
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Biology, 22.06.2019 08:00
What advantages does a pedigree have over a written passage?
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Biology, 22.06.2019 10:40
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
Answers: 1
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