In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.
<u>The correct answer is A.</u> The diseases we immunize against are not gone and they are still deadly. These diseases still exist in many places in the world. Polio was eliminated from the United States thanks to vaccination, it still occurs in Afghanistan, Pakistan and Nigeria, being a serious problem there. If we do not get vaccinated this type of disease can return to the country.
The correct answer is that it is a dependent clause.
A dependent clause, as the name itself says, depends on a larger clause in order to make sense. As you can see in the example above, that clause is incomplete - it needs to be part of a larger, independent clause in order to get a proper meaning. The other options are all complete sentences, which is something the example is definitely not.
The given conjunction in this sentence is in. It is coordinating which is a corr.
<h3>
What do you understand by coordinating conjunctions?</h3>
In a compound sentence, coordinating conjunctions that link the independent clauses include the words "for," "however," "and," and "but." They function similarly to conjunctive adverbs like "for example," "however," or "hence," which denote the evolution of thoughts. For, and, nor, but, or, yet, and so are the seven coordinating conjunctions in English. Coordinating conjunctions exist in four different varieties: Cumulative or Copulative Conjunctions, Adversative Conjunctions, Disjunctive or Alternative Conjunctions, and Illative Conjunctions. For signifies causation: "We left a day early, for the weather was not as clement as we had hoped."
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