please help One of the types of fuel cells is called a PEM fuel cell, based on w

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please help

One of the types of fuel cells is called a PEM fuel cell, based on what it uses to make it work. What does PEM stand for? Polymer Electron Molecule Polymer Electrolyte Membrane Positive electron motion Precious Energy Module What is a fuel cell stack? multiple layers of conductive plastic a lot of layers of metallic plates multiple layers of electrochemical cells consisting of two electrodes and an electrolyte layers of fuel that are in a row When Fuel cells are used to power a car, what 2 items are the in the exhaust? burned fuel and water exhaust gases and heat gases and cold air heat and water what is the main type of metal used as a catalyst in the middle of a PEM fuel cell? Platinum Copper Tin Aluminide Titanium How many shipments of fuel cells were there in 2012? 4,570 30, 200 42,012 45,700

Explanation / Answer

1) B

2) C

3) A

4) B 5) C

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