2) people might monitor soil quality for which two reasons? a) to protect the food supply b) to make sure highways are smooth c) to form high-quality new bedrock d) to slow the salinization process

What is meant by a symmetrical unimodal distribution? a. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. b. a distribution is a pattern of frequencies for the various values of a variable collected in a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. c. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is a uniform frequency, meaning the frequency of every value is same, and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other.

What would a student most likely use if he or she wanted to consult a secondary source

The purpose of laws were to restrict the rights of african americans who lived in southern states. a) "jim crow" b) "civil rights" c) "anti prohibition" d) "reconstruction acts"