Industrial smog is: a. associated with photochemistry
b. is principally associated with coal burning industries
c. a relatively recent phenomena which started in the 1970s d. principally associated with transportation

idk

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.

answer; (d) they are in charge of the ushers and making sure the audience gets to their seats on time; they also control the box office; i know (c) is wrong and (b) don't make sense;