A sample of adults was asked their level of agreement with the statement, "The President of the United States is doing a good job of handling foreign relations." They were permitted to respond with either "strongly agree," "agree," "disagree," or "strongly disagree." How many variables were being studied?

Only One Variable is being studied in this research

Explanation:

A variable is a measurable characteristic that varies from person to persons.  

A variable can take different forms in research;  It can be majorly classified into  dependent and independent variable.

The variable being studied in the  research above is  "The President of the United States is doing a good job of handling foreign relations."   and in this research an ordinal scale of measurement is used to collect data as regards the level of agreement to the methods the president is using to handle foreign relations.  

1   all nations face the problem of scarcity because there are limited resources and unlimited wants. nations do not have enough factors of production to produce everything that their population wants. entrepreneurial resources initiate businesses to make new goods and services; labor resources produce goods and services.

2 there are four factors of production: natural resources, labor resources, capital resources, and entrepreneurial resources. natural resources are raw materials from nature that are used to produce goods. trees, water, and grains are natural resources. some natural resources, such as wheat and cattle, are renewable

3 wants

things that you do not need to have in order to survive, but would like to have

needs

things that you must have in order to survive

goods

physical products

services

tasks that a business perform for customers

resources

items that people can use to make or obtain what they need or want

determine

to settle or decide by choice of alternatives or possiblities

4 i really dont know

answer; automated fingerprint;