<span>D. They have to predict which strains of flu will become active months before the flu season begins.
The text states, "</span>Creating a flu vaccine is a bit of a guessing game, because the shots take months to manufacture. Each year in February, the World Health Organization (WHO) tries to predict<span> what viruses may be circulating the following winter, a process that can change as bugs mutate. " This supports the answer that a challenge for vaccine makers is determining which strain of the flu must be targeted in order to prevent its spread. </span>
<span>i believe Venezuela, Colombia, Panama, Ecuador, peru and Bolivia</span>
The excerpt from the President Clinton states claims about the growth of the economy of the country.
Answer: Option B.
<u>Explanation:</u>
During the time when the President of the United States of America was Clinton, there was a lot of growth in the economy of the country. The level of unemployment in the country was at the lowest level, there were huge employment opportunities in the country.
The crime rate in the country was at the lowest level and a lot of people were opting for higher education and aid was provided to those people. Children had health insurance and people had moved out of poverty. All this claims that the growth of the country had touched heights during that time.
I would think B because culturally themes have more detail and are more specific