D. a nuclear power plant.
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.
Answer:
Many scientists believe that the roofs of these houses were made from whale ribs and the bones of other animals. the region did not have enough food for them during the colder seasons.
Explanation:
Answer:
The emotional suggestions of a word, that is not literal.