 | Term | Definition |
| |
Global Warming |
An increase in the average temperature of the earth's atmosphere, especially a sustained increase sufficient to cause climatic change |
| |
Recession |
An extended decline in general business activity |
| |
Fossil fuels |
A hydrocarbon deposit, such as petroleum, coal, or natural gas, derived from living matter of a previous geologic time and used for fuel. |
| |
Nuclear fission |
A nuclear reaction in which a massive nucleus splits into smaller nuclei with the simultaneous release of energy |
| |
Fuel cell |
An electrochemical cell in which the energy of a reaction between a fuel, such as liquid hydrogen, and an oxidant, such as liquid oxygen, is converted directly and continuously into electrical energy |
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