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Biology, 21.06.2019 19:00
Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.
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During the winter, this species of fox has white fur, but in the summer, it has brown fur. what environmental change may have lead to this fox's fur color? snow cover increase in sun's brightness volcanic eruption global warming
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Biology, 22.06.2019 04:20
Do you think the gene eef1 alpha1 supports cell theory? explain your response.
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Biology, 22.06.2019 04:30
With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite
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Are the primary source of energy for the human body....
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