What types of things are more common in the rural world that in an urban setting?

What is walt whitman's poem "when i heard the learn'd astronomer about?

Based on the trends shown in this chart, which of the following predictions best tell about the u.s. population in 2020? (3 points) i. more than half of the u.s. population will live near an interstate highway. ii. less than one-quarter of the u.s. population will live in urban areas. iii. more than half of the u.s. population will live in suburban areas. i only iii only i and iii only ii and iii only i, ii, and iii

What was the overall impact of eli whitneys introduction of interchangeable parts?