Answer:
they called them, B. Griot
Answer: Natural Good
Explanation: It is something that comes from nature making it a natural good. It would not be a capital good because capital goods are products created by people. And it would not be a human good because human goods are jobs and services that are done by people.
Answer:
The United States is a highly developed country, with a strong economy in pratically every single economic sector: from agriculture, to many types of industry, to high-tech, to services.
People from abroad demand U.S. technology and capital goods because they know that it tends to be of high quality. This benefits the American people because it raises U.S. exports, which brings more income to Americans in the form of either U.S dollars or foreign currency that is later converted into U.S. dollars.
This makes the U.S. economy more dynamic, not only for those directly involved in the exporting business, but also for many other people who benefit indirectly from such exchanges.
Answer: 3) Confounding variable
Explanation:Confounding variable is the variable that indicates about the external influential factors that produces the manipulated consequences of independent and dependent variable.This variable can lead to producing useless outcomes in an experiment.
According to the question, the changes occurring in interest of student in algebra can be due to the outside factors which are not generating the actual results and thus, experiment is getting ruined.
Other options are incorrect because application variable remain same for the experiment,system variable are the variables of certain system and reliability variables describe about the variable on which dependent or stable.Thus, the correct option is option(3)