I think a biographical dictionary.
Answer:
C
Explanation:
In this one, the subject of world war II and the history teacher have nothing to do with whether or not he likes salads.
Answer:
Environmental scientists look for solutions to protect the environment, while chemists develop new products.
Explanation:
The last two sentences use the conjunction while meaning <em>whereas</em>, i.e. indicating a contrast. So the purpose of sentences 3 and 4 is to contrast certain things about environmental scientists and chemists. However, the fourth sentence contrasts only <u>level of education</u> required for these jobs.
The third sentence refers to <u>actual</u> <u>work</u> that environmental scientists and chemists do. Therefore, this sentence most accurately describes a way in which the jobs of environmental scientists and chemists contrast.
i did you say hello and how do it work out that way we have another server in the box so we have a a lot to say bye to him now.