B Missouri was a slave state and Maine was a free state
The type of wave which needs a medium to travel are sound waves because they travel by oscillating electromagnetic fields
<h3>What is a Sound Wave?</h3>
This refers to the waves of refraction which is propagated by a plastic medium.
With this in mind, we can see that mechanical waves are the types of wave that needs a medium for propagation and a sound wave is an example of a mechanical wave because it travels by oscillating electromagnetic fields.
Read more about mechanical waves here:
brainly.com/question/9242091
Answer:
A theater I believe. Good luck on your test
I don't see the following, but anything ethical based would usually work
I.e.: They are mistreated, one human's power over another is wrong, our nation's image is tarnished.
Avoid arguments about profit since they would argue in favor of slaves, and be careful about religion since it swings both ways (ex Slavery is a sin vs slavery allows slaves to learn religion) Hope this helps
If this doesn't help please comment the possible answers so I can further assist
