Answer:
This is a call to all students if you get a sixty nine percent or above on this last year of school I will give you fifty bucks. So do good!

If two similar waves are traveling in the same medium, then they have same wave velocity. so we can infer that

Now, as per the formula ~ we know that :

Now, we can write it as :

And it's also given that frequency of wave A is 3 times that of frequency of wave B.
So, let's add the relation to our equation ~



So, choice C is correct ~
The correct answer is A. I am sure. Hope it helps:)
When the rebels attacked Mogbwemo, Ismael Beah<span> was away in another town called "Mattru Jong" with his brother, Junior & their friend Talloi. They went there to take part in a talent show. This is from Jourdan Baldwin's work entitled "A Long Way Gone" which was based from the Sierra Leone civil war.</span>
Answer:

According to blank slate theory, the mind is completely blank at birth. From there, education, environment, and experiences – which are external, as well as material and/or immaterial – shape the child's process of development. This leaves a lasting effect on who they become.