The condition of the rh factor is called present when absent.
asap!

In which process is oxygen absorbed by an organism asap apex

How does human environment effect the biosphere

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.