Examlex
The direct transfer of energy through physical contact is called
Economics Textbook
A publication that systematically presents economic theories, principles, and concepts to learners at various levels of education.
Opportunity Cost
Abandoning the possibility of gains from alternative options by selecting one choice.
Vending Machine
An automated machine that provides items such as snacks, beverages, and other products to consumers after money, a credit card, or a specially designed card is inserted into the machine.
Bag of Chips
A packaged snack made from thinly sliced potatoes or other vegetables, fried or baked, commonly seasoned and served in a sealed bag.
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