At this point in time I have made a decision about what my major will be. The most effective way to write the above sentence is

By comparing part 1 and 2 of polar opposites what does it mean by polar opposites

Tia and lin had been best friends since kindergarten. both avid soccer players, the girls decided to try out for the high school team together. unfortunately, there was just one open spot, so only one of the girls would be chosen. they both worked hard, and on tryout day, they did their best. when the team roster came out, lin was excited to see that she had made the team but sad that tia had not. tia was happy for her friend and vowed to work harder so she would make the team the next year. which sentence is the exposition of the passage

During the industrial age, what was one important way businesses told consumers about new products? through phonographs through telephones through telegraphs through catalogues