Rehearse integrating PowerPoint slides into your speech by setting timings, using presentation tools, showing only selected slides in a presentation, and packaging the presentation for a CD.
2. Metals are both good heat conductors and also good electrical conductors because of the a. similarity between thermal and electrical conductive properties. b. looseness of outer electrons in metal atoms. c. relatively high densities of metals. d. high elasticity of metals. e. ability of metals to transfer energy easily.