Our current understanding of evolution is called a theory because itches been

Imagine that a mouse has white fur because of a mutation in its dna. which of the following conclusions can be drawn

How does the nervous system affect the excretory system?

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.