They differ because they are transverse wave. That is their direction of travel is perpendicular to its vibrations.
Answer:
.
Explanation:
Distance Skylar traveled North is 
Then she traveled
Westward.
After which she traveled
towards the South.
The total distance traveled would be the sum of the distances.

The distance traveled by Skylar was is
.
The answer is C. Hope this helps.
Do you want me to translate it?
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Below are the choices and the answer is <span>B.
</span>a.) Models can be changed by scientists who are more famous than previous scientists.
<span>b.) As technology advances, new experiments often expose problems in accepted theories. </span>
<span>c.) Scientists tend to value new theories because they are more exciting. </span>
<span>d.) A newer theory is more valid because it uses more mathematics. </span>