Rodney likes to post false information to a listserv he belongs to dedicated to discussing ways to improve college core curricula. he thinks it is hilarious that people get so upset and spend so much time correcting his posts. rodney's behavior is indicative of which group role?

 The correct answer is :  trolling

Explanation:  A troll is the person who posts messages in a discussion, a chat or a social network. These messages are always irrelevant or inconsistent with the main topic under discussion. These messages are written in order to confuse, indispose or provoke the members and participants of the discussion. Finally everyone turns out to face each other.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

answer: fog is black

explanation:

cause idek what ur talking about and you should learn it ur self