A nuclear stress test is similar to the exercise stress test or pharmacological (chemical) stress test, but a small amount of radioactive substance is used to determine the health of the heart and blood flow to the heart.
The following are the four basic types of economics resources: Land â natural resources such as iron ore, gold, diamonds, oil, etc. Labor â human resources such as wage-earning workers. Capital â plants and equipment used in the production of final goods, such as assembly lines, trucks, heavy duty machinery, factories, etc.
4 [Enterprise Vs. Command Economy] | Free Enterprise Vs. Economics is a broad social science that studies factors that drive the supply and demand of limited resources. Economic resources are commonly defined as land, labor and capital. Two basic types of economies exist: command and free market.