Which of the following pollutant categories is the most difficult to dispose of?

Unanimous consent agreements are used to set procedures for conducting business in the Senate, similar to rules set by the Rules Committee in the House

Indicate whether this statement is true or false.

Should pollsters be worried about the population of “nonrespondents”?

a. yes, because nonrespondents are less educated than respondants b. yes, because including nonrespondents will create sample bias c. no, because nonrespondents are only a small percentage of the populace d. not yet because “nonrespondants” differ little from those who engage in polls