America the Beautiful (B)
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:
Old Major relates a dream that he had the previous night, of a world in which animals live without the tyranny of men: they are free, happy, well fed, and treated with dignity. He urges the animals to do everything they can to make this dream a reality and exhorts them to overthrow the humans who purport to own them.
Explanation:
I think it’s d for the answer
