I believe it is option "D.) The flu vaccine is not reliable enough to be worthwhile"
It would have a negative impact on the economy due to people not spending money to have the flu vaccine.
I went on the Maid of the Mist boat in Niagara Falls
The answer is C. A comma must be placed after house and directions.
Answer:so we don't get sick
Explanation:contact with loved ones can be dangerous
Yes. He saw them has a subject (he), a verb (saw), and an object (them), so it is totally a sentence.