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Suppose Jack and Tucker can both produce two goods: toy cars and dinosaur figures. Which of the following is not possible?
Sunlight
The natural light emitted by the sun, providing the energy necessary for photosynthesis in plants and influencing various biological processes in living organisms.
Food Web
In ecosystems, a complex pattern of interlocking and crisscrossing food chains.
Trophic Level
A position in a food chain or ecological pyramid occupied by a group of organisms with similar feeding mode.
Ecosystem
A community made up of living entities and their surrounding physical conditions, interacting together in a biological setting.
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