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Sea floor spreading creates new oceanic crust (true or false)?
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Which of the following elements does soil need in the largest quantities to sustain plant life? a. copper b. iron c. nitrogen d. zinc
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Drag each label to the correct location on the image. each label can be used more than once. a scientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions. protein will not be changed. protein may be changed. attcgtgttc atcgtgttc atcgtattc attcgtattc
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Biology, 22.06.2019 09:00
How can an organ, such as the lungs, work for multiple body systems?
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Sea floor spreading creates new oceanic crust (true or false)?...
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