
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 ~
They mostly facilitate communication by being very short letters expressing an opinion, a to-do, a thought, etc... using very simple short sentences.
hope this helps! :)
Answer:
- Para 23: "We got to their dwellings, where we saw they had built a hut for us with many fires in it"
Explanation:
As per the question, the 23rd passage would provide the most adequate supporting details to substantiate the claim that 'de Vaca's encounter with the native Americans might be the cause of Vaca's kind and generous treatment of them in his later life.' This is reflected through the descriptions in the passage like 'we got to their dwellings...in it' as it shows that this experience made him understand their life, culture, and values which they offer to others despite being indigenous. Thus, this not only supports but justifies the claim as well. Hence, <u>para 23</u> is the correct answer.
And enjoys nature. Why is nature so important to Anne? What does nature represent that she so desires? How do Anne’s passages on nature in the diary affect her mood and affect the mood of the diary