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Which contraceptive method is the most effective form of birth control?
Services
Intangible products such as healthcare, education, and financial advising that are consumed at the point of delivery and do not result in ownership of physical goods.
Supply
The total amount of a specific good or service that is available to consumers, often influenced by price levels.
Demand
The quantity of a product or service that consumers are willing and able to purchase at various price points within a certain period.
Good
A tangible product or item that satisfies some human want or need and is often traded, sold, or bought in an economy.
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