Trees can be classified as different kinds of resources. Which of these statements gives a reason for classifying a tree as an energy resource?
A)
It can be used to build a home.
B)
It can be burned to provide heat.
c) It is a renewable resource.

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.