C, sentence five, as a website cannot really celebrate, since it’s not a human.
<u>Answer:</u>
Eradicating smallpox was successful because of many reasons.
<u>Explanation:</u>
Smallpox was regularly found in an area or we can say it was prevalent in some places. So, mortality rates were high. It was caused by variola virus and affected mainly humans. So, it was essential that such vaccine is developed which can successfully immune people from this disease.
Smallpox vaccine then started spreading across "Europe and North America" and then gradually it spread all over the world and successfully eradicated smallpox by 1980. Other diseases that have been controlled by vaccines are “diphtheria, bacterial influenza, measles, mumps, rubella, and tetanus”.
The conjunction in each sentence is <u>both</u><u>.</u>
This is because of the given sentence: "Samantha enjoyed <u>both</u> the opera and the romantic dinner that followed." as this joins the clauses in the given sentence.
<h3>What is a Conjunction?</h3>
This refers to the part of speech that connects words, phrases, or clause
Hence, we can see that The conjunction in each sentence is <u>both</u><u>.</u>
This is because of the given sentence: "Samantha enjoyed <u>both</u> the opera and the romantic dinner that followed." as this joins the clauses in the given sentence.
Read more about conjunction here:
brainly.com/question/8094735
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Often at the end of a hot,humid day appears the thunderclouds. <span />
