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Biology, 21.06.2019 19:30
What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true
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Biology, 22.06.2019 03:00
How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half
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Biology, 22.06.2019 04:30
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Biology, 22.06.2019 04:40
The negative impacts of nonnative species generally outweigh the positive impacts
Answers: 1
Without genetic , natural selection could not occur...
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