Paragraph Coherence Exercise

(C) The chat room is a good resource to use inside and outside of the classroom. By utilizing a chat room you can talk with lots of different people all at once. These people can be from all over the world, or even your next-door neighbor. The chat room can also be used as a learning environment outside the classroom. They allow members of a class to discuss and share ideas on their own time.
As with most online processes, security can be a concern with chat rooms. However, A lot of classes have the ability to set up private chat rooms, that only enrolled members can access. This sort of security device ensures that unwanted visitors cannot access the room.

(D) The purpose of canines in police forces is to provide an alternative to excessive or deadly force. Though there have been rare cases of dog bites or deaths, it has been concluded that canine units are not considered deadly force. A clear example of dogs being suitable in crime prevention is the campus of UCLA. Off campus housing around UCLA had been experiencing a rising amount of gang activity during the the 1970's. The police force implemented canine units and successfully eliminated the problem; without use of force.