Here are the main points for an informative speech on hydrogen fuel cells.I. Hydrogen fuel cells were developed to provide a highly efficient form of energy.II. Hydrogen fuel cells produce power through an electrochemical reaction involving hydrogen gas.III. Hydrogen fuel cells provide an economically and environmentally superior method of powering motor vehicles.These main points are organized in ________ order.

A. reactionary
B. spatial
C. chronological
D. causal
E. topical


Answer: E

Communication & Mass Media

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When is it a good idea to use expert testimony in a speech?

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Communication & Mass Media

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Communication & Mass Media