The fuel which may be an option that fuel cells can run on would be ETHANOL. It is so because of the formula ethanol has (C2H5OH). Hydrogen is used in this chemical reaction (catalyst) so it couldn´t be an option. Uranium is a heavy metal, difficult to be split in smaller pieces and not appropriate in this type of reaction. Crude oil does not serve for this kind of electrolitic reaction, which happens in water.

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3 years ago

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Think about the relationships in your life. Identify one you believe to be in one of the first five stages of Knapp's model. Tak

weeeeeb [17]

The answer is:

The relationship is personal-social.
The stage of relational development is Experimentation, in which people interact by disclosing information about themselves. In this stage, individuals make small talk to identify common interests. Furthermore, exchanges are kept friendly and informal.
To hold the relationship progressing, I can extend the small talk to determine whether the other person is predisposed to intensify the relation. I could also try to have more profound dialogues in order to move to the next phase, Intensifying. Besides, I could cause to talk to the person more frequently and give tokens or gifts as a manifestation of greater affection. Finally, to move more straightforward to the next phase, I could also invite the person to engage in an activity together.

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3 years ago