
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 ~
This is a simple sentence because in its entirety it is a single clause. There are no multiple independent clauses connected or any subordinate clauses to make it compound or complex.
Explanation:
Anne Frank= Author of diary. Born on June 12, 1928, in Frankfurt Germany. Very intelligent and perceptive. She dies of typhus in the concentration camp at Bergen-Belson in late February or early March of 1945.
Margot Frank= Annes older sister. Anne and Margot doesn't have a close bond. She dies a few days before Anne in the same way.
Otto Frank= Annes father. Born into wealth, with his familys international banking business. Made selling chemical products and provisions. Only one to survive the war.
Edith Frank=Annes mother. Close to Anne. Dies of hunger and exhaustion in concentration camp of Auschwitz.
Answer and Explanation:
Sociology studies the interactions between individuals and societies, as well as the processes that maintain or change such societies. To do so, it takes different aspects and institutions into consideration, since they may all affect those interactions to some extent: religion, education, race, gender, age, etc. Having that in mind, we can easily think of three topics a sociologist might investigate when studying poverty:
1. Why different racial groups are more or less poor than others;
2. If religion is connected to seeking or not material wealth;
3. Why uneducated people have a harder time getting out of poverty.