Answer:
Scientists are creating vaccinations that prevent people from getting the bird flu. If the virus mutates, a new vaccine will need to be made. The vaccine needs to be tested, which can be dangerous. It will also take a long time for scientists to know whether the vaccine works or not.
Explanation:
The flu vaccine is injected under skin in a inactive form and the immune system responds with antibodies to the food protecting you from the future exposure to the flu. That's why sometimes you get the flu even though you got a shot because there's different forms of the flu.
Answer: d. all of the above
Explanation:
Conglomerates are private companies that are engaged in various businesses. They also have branches around the world because they service various countries and markets.
Such companies are very powerful because of the influence they wield in the various countries that they operate in. Some well known conglomerates include: Am-azon, Fa-cebook, Dangote, Wal-mart and even Apple.
Answer:
The first one seems the most captivating
Explanation:
Id choose the first one to introduce/ start the story