Afuel cell combines hydrogen and oxygen to produce electricity, heat, and water. fuel cells are often compared to batteries. both convert the energy produced by a chemical reaction into usable electric power. however, the fuel cell will produce electricity as long as fuel (hydrogen) is supplied, never losing its charge. nasa uses hydrogen fuel to launch the space shuttles. fuel cells are a promising technology for use as a source of heat and electricity for buildings. where else are hydrogen fuel cells used? all, but one, apply.

answer:

hydrogen and fuel cells can be used in a broad range of applications. these range from powering buildings, cars, trucks, to portable electronic devices and backup power systems

explanation:

explanation:

actually, not all representation was acceptable based on this little piece of article, in 1776, the second continental congress issued the declaration of independence, stating their specific grievances with the british monarchy and why they were going to create a separate government. after the colonies separated from the british monarchy and formed the united states of america, they had to answer some crucial questions: 1) if not a monarchy, what type of government was the united states going to have? 2) what kind of government was going to protect the people without violating their individual liberties?