What are the techniques story and journey systems used for?
a. categorizing information
c. memorizing information
b. reviewing information
d. none of these

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

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.

The direct energy source that drives atp synthesis during respiratory oxidative phosphorylation is