
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 ~
Answer:
It mostly depends on him. It may affect on his talking and so on communicative matters, but not on his lifestyle.
The answer for apex would be C. The world is plunged into chaos when the government removes the right to electricity from rebel communities.
A dystopian society is usually a bad place ruled by a totalitarian governmant
Answer:
I have read this book it is really good and I really enjoyed this because it is one of my favorite books