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.
In this lesson, we'll explore the four different types of economic systems found across the globe. These types include: a traditional economy, command economy, market economy, and mixed economy. A Traditional Economy. The oldest type of an economy found around the world is a traditional economy, which