List four that can be varied to change the strength of the magnets

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

Name three things the framers of the constitution did to keep the federal government or any part of it from becoming too powerful.

Humans are the only animals capable of communication