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During the summer you have made the decision to attend summer school, which prevents you from working at your usual summer job in which you normally earn $6,000 for the summer. Your tuition cost is $3,000 and books and supplies cost $1,300. In terms of dollars, the opportunity cost of attending summer school is
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance that is the main constituent of Earth's streams, lakes, and oceans, and the fluids of most living organisms.
Fermentation
A metabolic process that produces chemical changes in organic substrates through the action of enzymes, leading to the production of energy in the absence of oxygen.
ATP Production
The process by which cells generate adenosine triphosphate (ATP), the main energy currency of the cell, through pathways such as cellular respiration or photosynthesis.
Animals
Multicellular, eukaryotic organisms of the kingdom Animalia that are capable of locomotion, responsive to their environment, and feed by consuming other organisms.
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