Match the occupations to the correct category ?
Which is which please show me and explain please

Read the quote from hezekiah niles on page 150, based on this quote, what is a defining characteristic of the era of good feelings?

Why are radio observatories located in valleys far away from urban centers? a. to shield them from electromagnetic interference b. to avoid sound pollution c. to avoid disturbing people living in the city d. to shield them from water vapor

Some studies have found that what percentage of students have cheated in some form? a. 10% b. 25% c. 45% d. 75%