Problem: In these mountains, there isn't much oxygen above 11,000 feet. , trees and bushes aren't able to grow near the peaks. Which of the following best describes the purpose of the transitional expression in the previous sentence? To give more information To show cause or effect To show a temporal (time) relationship Wearing a seat belt can help you avoid paying a high fine for breaking the law. , wearing a seat belt can save your life. Which of the following best describes the purpose of the transitional expression in the previous sentence? To show a temporal (time) relationship To show importance or emphasis To show placement