| A | B |
|---|
| A fuel cell vehicle produces | electricity from the reaction of H and O |
| Biomass can be used | in the production of electricity |
| Geothermal energy has a | tremendous potential for producing electricity |
| Hydrogen is the most | abundant element in the universe |
| Photovoltaic panels convert | solar energy to electricity |
| Wind energy is one of the | fastest-growing forms of electricity production |
| Bronchi - two main | air passages into the lungs |
| Robots - haptic technology | enhances the feel for micro-surgery |
| Rusting is a | chemical process |
