It is to group information to remember it more easily
Eliminate passive voice by making the subject do the action. You can shift the focus of the sentence from the direct or indirect object to the actor. For example, you can transform the following sentence from passive to active voice. Passive: The tree was cut down by the man.
Answer:
B: Experts today estimate that 20,000- 30,000 laborers worked on the pyramid at any one time.
Explanation:
The main idea about the task of builting the pyramid, which required a huge workforce, is supported by the detail described in option B that says that the experts estimate the number of workers involved in this colossal project: <em>between 20,000 and 30,000 laborers is to be considered a huge workforce.</em>
Wrokforce: all the people who work for a company or organization.
Answer:
Sentence 4 expresses opinion rather than fact.
