Which of these layers is the coolest?
a. crust
b. mantle
c. outer core
d. inner core

Which statements are true of a scientific theory but not a hypothesis

How does a lytic infection differ from a lysogenic infection?

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.