HIV genes and their role in sustainability?

Identify the missing parts of the carbon cycle

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

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.