2. The nucleus of an atom contains
1 point
O protons and neutrons
protons and electrons...
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Biology, 22.06.2019 03:30, queenkimm26
All vaccination should(nāt) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence
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The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.
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Biology, 22.06.2019 05:40, mustachbrah
When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity
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