Which of the following solid fuels has the highest heating value? a. coke b. bituminous coal c. wood d. lignite

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Talia is manufacturing rolls of wire for hanging pictures. she needs a material that is so that it can easily be pulled into wire without breaking.

Can a molecule have bond dipoles but not have a molecular dipole?