what he said because I think it’s that
Option A because a predicate is a verb phrase and to be simple it would complete one action so bought isn’t a phrase but visited our school one day is
broad topic isn't exactly what you want in a presentation, you usually want to have a very narrowed topic, focusing on something specific.
Detains and examples are very important, so check that. You always need multiple sources.
A cited list is also very important, because it's technically illegal to not have one if you used any info from somewhere else besides your own brain.
D isn't important at all
E could be important for the working progress phase, but for the presentation itself, it's not really needed.
Answer:
The Clean Air Act was important because it emphasized cost-effective methods to protect the air; encouraged people to study the effects of dirty air on human health; and created a regulation that makes any activities that pollute the air illegal.
Explanation: