What does the choice of communication medium influence?

Read o captain! my captain! by walt whitman, 1819 - 1892 and tell me the theme

Read the chart from "career planning for high schoolers." which conclusion is best supported by the information in this chart? majors in social sciences lead to above-average starting salaries majors in education lead to above-average starting salaries. majors in humanities lead to above-average starting salaries. majors in engineering and tech lead to above-average starting salaries.

Based on context, the word “insoluble”most likely means?