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.

chronological

Explanation:

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 chronological order.

The order begins with the purpose of the development of hydrogen fuels, then it defines hydrogen fuels and gives the benefits and uses of hydrogen fuels

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