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.
(Answer #1). First, please note that economics texts sometimes refer to only three types of unemployment. The fourth, seasonal unemployment, is sometimes omitted. When we are using a four-type typology, we say that the types of unemployment are structural, frictional, cyclical, and seasonal.