Please help!! It’s for a hw assignment

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.

Will camels hump ahrinks.give reason

Bio molecules are essential to all living things. which biomolecule is “d” from the table