Aperson jumps after touching a hot surface. which layer of skin was responsible for stimulating the person's response?

The first amino acid of a new polypeptide chain is

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.

What are positive impacts of algae? how is it used?