The answer is D. Power I posted on your most recent question.
You-message is when you text an andriod smartphone and i-message is when you text an iphone i-message can only be used between two iphones where as you-message can be used on whatever device iphone or android
This is a bit hard but if u search on google it tells u all the answers
Answer:
they increase the readers understanding of events
Explanation:
the long and complex sentence mostly describe more details on the topic thus enhancing the readers' undestanding