Answer:
C
Explanation:
Since air molecules (the particles of the medium) are moving in a direction that is parallel to the direction that the wave moves, the sound wave is referred to as a longitudinal wave. The result of such longitudinal vibrations is the creation of compressions and rarefactions within the air.
Hope This Helped, -James
Answer:
He moved to Saudi Arabia for spiritual reasons
Explanation:
His mother will be 40 in 8 years. So, she is 32 now.
1/8 of his mother's age is 4, so, currently Jaden is 4 years old.
The difference are 28 years.
If he is currently 4 in 17 years he will be 21 years old and his mother will be 49,
21 is 3/7 of 49.
Therefore, the correct answer is, in 17 years.
You will have multiple answers, the following are:
1. Historians with different perspectives
2. Historians with different points of view
3. Historians with varying personal biases
4. Historians with different interests of cause and effect
Hope this helps! Good luck!