Apsychologist hypothesizes that people earning a salary of more than $500,000 are actually less happy than people earning $40,000–$60,000 per year. what are six variables the psychologist might need to consider when testing her hypothesis?

Which kind of organism is a heterotroph?

Using the factors of production to make one product always means that o .) a company may experience a shortage of materials o . )a nation can make more money o. ) it is possible to make too many of that product o. ) fewer resources are left to make something else

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available