Grade point average refers to the average score that you have accumulated throughout your high school from all the subjects that you take. During college admissions, high GPA usually seen as high learning capabilities. This will seen as a positive factors and increase your chance of getting into college.
A longitudinal wave is composed of compressions and rarefactions. An example of a lomgitudinal wave is sound waves. It's a type of wave thay moves parrelel to axis.
