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Chemistry, 22.06.2019 17:30
Take a look at this dandelion. the yellow flower on the right is pollinated and the seeds on the left are transported by
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Chemistry, 23.06.2019 03:30
Scientists often deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 Γ 10-4 millimeters. express each of these numbers in an alternate form.
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Chemistry, 23.06.2019 11:30
If this sedimentary rock layer is truly the oldest one of marine origin, what do you think that tells usabout the formation of earth's oceans?
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Chemistry, 23.06.2019 11:50
What is the oxidation half-reaction for this unbalanced redox equation? cr2o72β + fe2+ β cr3+ + fe3+ cr3+ β cr2o72β cr2o72β β cr3+ fe3+ β fe2+ fe2+ β fe3+?
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What is hardware on a computer...
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Mathematics, 24.06.2019 23:00
Mathematics, 24.06.2019 23:00
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Mathematics, 24.06.2019 23:00
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