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Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?
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Describe how a student should adjust the microscope to see the cells on a slide more clearly?
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Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
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Biology, 22.06.2019 11:30
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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How did henry d. hubbard rearrange the elements...
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