How did a new political party affect the challenges to slavery

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone

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.