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What does it mean for a giant molecular cloud to have a hierarchy of structures?
Oil
A viscous liquid derived from petroleum, used as fuel and in various industrial applications.
Football Helmets
Protective headgear used in American football designed to reduce the risk of head injuries.
Technological Improvements
advancements or enhancements in technology that increase productivity, efficiency, or utility in various processes or products.
Production Possibility Frontier
A curve that depicts the maximum possible output combinations of two goods or services an economy can achieve when all resources are fully and efficiently utilized.
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