Examlex
PET scans and fMRI scans both measure brain function.
Surplus
An excess of what is needed or used, typically referring to goods, services, or resources exceeding what is required.
OPEC
The Organization of the Petroleum Exporting Countries, a group of oil-producing nations that coordinate petroleum policies and prices globally.
Price Ceiling
A government-imposed maximum price that can be charged for a good or service, intended to protect consumers.
Crude Oil
A naturally occurring, unrefined petroleum product composed of hydrocarbon deposits and other organic materials that can be refined to produce usable products such as gasoline, diesel, and various forms of petrochemicals.
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