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Match each compound with its corresponding percent of oxygen.
-C?H?NO?
Appalachian Mountains
A mountain range in the eastern United States, extending from the province of Quebec in Canada to central Alabama in the U.S., known for its rich biodiversity and natural resources.
Northwest Ordinance
A law passed in 1787 that provided a model for the organization of territories and set a precedent for the creation of new states.
Political System
The system of government by which a country or community is administered and regulated, encompassing institutions, political organizations, and norms.
Economic Growth
An increase in the production of goods and services in an economy over a period of time, often measured by the rise in Gross Domestic Product (GDP).
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