You must design a valid experiment to show that there are microorganisms in the air. what would be your dependent variable? (points : 2) sterilized broth growth of organisms in the broth exposure to microorganisms in the air you must design a valid experiment to show that there are microorganisms in the air. what would be your control group? (points : 2) open flask with unsterilized broth open flask with sterilized broth sealed flask with unsterilized broth sealed flask with sterilized broth
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Biology, 22.06.2019 05:30
Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor
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Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f
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Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls
Answers: 3
You must design a valid experiment to show that there are microorganisms in the air. what would be y...
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