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Sound has a velocity of 335 m/s in air.For an air column that is closed at both ends to resonate to a frequency of 528 Hz,the length of the air column could be
Services
Intangible products provided to consumers, such as healthcare, education, and banking, which do not result in ownership of physical goods.
Educational Services
Professional services that encompass teaching and learning activities, including instruction, training, and other support provided by educational institutions.
NAFTA Agreement
Stands for North American Free Trade Agreement, a treaty entered into by the United States, Canada, and Mexico; effective January 1, 1994, to eliminate trade barriers and facilitate the exchange of goods and services.
North America
A continent located in the northern hemisphere, bordered by the Arctic Ocean to the north, the Atlantic Ocean to the east, the Pacific Ocean to the west, and South America to the south.
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