Midwestern farmers used to say "mare's tail and mackerel scales bring the storm down on you head"; mare's tails are cirrus clouds and mackerel scales are cirrostratus. when this sequence is followed by altostratus the old farmers were talking about an approaching front.
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Biology, 22.06.2019 10:00
The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
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Biology, 22.06.2019 16:20
What is gene flow? apexa: selection for average traits b: when a population splits in twoc: a mutation becoming more commond: genes moving between two populations
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Midwestern farmers used to say "mare's tail and mackerel scales bring the storm down on you head";...
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