Examlex
In 1800, Alessandro Volta was experimenting with producing electricity. He called his battery _____.
Opportunity Cost
The cost of foregoing the next best alternative when making a decision or choosing an option over another.
Crude Oil
An organic, unprocessed fossil fuel consisting of hydrocarbon reserves and additional organic matter.
Tractors
Tractors are powerful and versatile agricultural machines used for plowing, tilling, and performing various tasks required in crop production.
Autarky
An economic policy or situation in which a country is self-sufficient and does not take part in international trade or relies on imports and exports.
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