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.
Economic resources are the inputs we use to produce and distribute goods and services. The precise proportion of each factor of production will vary from product to product and from service to service, and the goal is to make the most effective use of the resources that maximizes output at the least possible cost.