During a physical change, the mass is conserved because it isn't permanently changed, like a chemical change. A chemical change would be something like burning a piece of paper, and a physical change would be something like cutting up pieces of paper (can be put back together).
In the context of Alabama in the 1900s, the umwa was culturally and historically significant because it supported the civil rights movement in supported coal mining companies.
<h3>The umwa</h3>
The United Mine Workers of America (UMW or UMWA) is a North American labor union best known for representing coal miners. Today, the Union also represents health care workers, truck drivers, manufacturing workers and public employees in the United States and Canad.
With this information, we can conclude that in the context of Alabama in the 1900s, the umwa was culturally and historically significant because it supported the civil rights movement in supported coal mining companies.
Learn more about umwa in brainly.com/question/9966627
In this exercise we have to use the knowledge of complete answers to understand how the assessement questions as student to test their knowledge.
<h3>What are assessment questions?</h3>
Assessment questions are the questions given to a student to test their knowledge of what has been taught. In the introduction, avoid, to start your answer, expressions like “Initially”, “To begin”, “Firstly”: it is a redundancy, after all you are, in fact, starting your answer. So, start with the writing itself.
See more about assement questions at brainly.com/question/16845933
Answer: Greater than.
I guessed it on my test, but I got it right! <em>:')</em>