Which traits do human embryos have that link them to a common ancestor with fish and reptiles? Check all that apply. Hair tail scales yolk sac gill slits.

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.

Which type of landform forms at the plate boundary as a result of divergent stress

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?