Examlex
What is the wavelength of an electromagnetic wave that has a frequency of 3 kilohertz?
Wheat
A cereal grain that is a staple food in many parts of the world, used to make products like flour, bread, and pasta.
Cattle
Large domesticated bovines that are raised for their meat (beef), milk, or as draft animals.
Opportunity Cost
Losing out on potential advantages from multiple alternatives by committing to one.
Crude Oil
A naturally formed, crude oil substance made up of hydrocarbon accumulations and various organic compounds.
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