The backbone of the dna molecule is made up of two alternating components, what are these

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements

11) burning your hand when accidentally touching a hot plate is an example of which heat transfer? a. conduction b. convection c. radiation d. none of these

Which fossil fuel is mainly used for heating and cooking? a. electricity b. coal c. petroleum d. natural gas