Which tool or tools would you use to measure and compare the mass of a cup of fresh water and a cup salt water

Which statement best describes the type of appeal used in this public service advertisement? an emotional appeal is made by presenting a wide range of jobs for women. an emotional appeal is made by emphasizing the need for a peaceful approach. an ethical appeal is made by providing pictures of a variety of role models. a logical appeal is made by including words that explain the meaning of the poster.

In these frames, the author emphasize the challenges lqbal faced by showing

Which of these novels is considered an important precursor to science fiction