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Biology, 21.06.2019 16:30
An atom of nitrogen had seven protons in its nucleus. how many electrons does it have
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Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable
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Biology, 21.06.2019 20:00
The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.
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Biology, 22.06.2019 08:20
Wich level of organization includes all the other levels or organizations
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Geologists of the time were doing research that said...
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