Have you heard about the new plastic bag tax? Wonderful, don't you think? It's an easy and straightforward campaign that you can support without even thinking about it, isn't it? In reality, of course, things are never that simple
The trouble with "no brainers" is that those who come up with them are often the ones doing the least thinking. This tax, for instance demonizes plastic because its creators don't understand the relationship between litter and the environment. The public, however, deserves not lies but the truth, the whole truth and nothing but the truth, so let's demolish these ludicrous bag tax claims here and now.
Features
Rhetorical questions
Appeals to authority
Emotive language
Real life examples
The rule of three or 'tripling'
Calls to action
Which three of the following features are used in the persuasive text above?

Rhetorical Questions, Emotive Language, and Calls to action.

Explanation:

 "It's an easy and straightforward campaign that you can support without even thinking about it, isn't it?" Calls to action, because they are telling you to support it, without thinking no less.

"Have you heard about the new plastic bag tax?" Obviously, a rhetorical question, the next question could also be considered rhetorical.

"Wonderful, don't you think?" Is emotive language, because it showcases the writer's opinion, and almost making you agree with them from the context.

Hope this helps, have a nice day!

the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.