What challenges do vaccine makers face in their attempts to produce an effective vaccine against the flu? a. they cannot hire the most qualified employees because there is so little profit in making vaccines. b. workers like having an excuse to miss work, so they try to prevent a good vaccine from being made. c. people tend to resist getting shots, so the majority of the population does not get vaccinated. d. they have to predict which strains of flu will become active months before the flu season begins.

Why do the other characters in olivia’s household hate malvolio?

In the story “seventh grade” how do victor’s hopes and expectations about teresa at the beginning of the school day compare with his hopes and expectations about teresa at the end of the school day?

1which is an example of a claim? a . . never give up on a goal or dream just because someone tells you it’s impossible. b people said no one could scale mount everest, but in 1953, sir edmund hilary and tenzing norgay gazed down upon the world from its summit. c a rude remark is like a piece of litter in a national park—the best thing to do is throw it in the garbage where it belongs. d 1903, orville and wilbur wright made the first sustained powered flight in a heavier-than-air machine. review the sentence. actually, we the chair in spain about 20 years ago. 2 which correctly completes the sentence? actually, we the chair in spain about 20 years ago. buy buyed bought boughten