In my opinion, I feel that his “I had a dream” speech was for the future generations. Back in his day,there was segregation and black people were treated very wrong. He wanted his speech to touch peoples hearts so in the future,(now) there wouldn’t be what there once was years ago.
All plants make their own food, have a cuticle, have a cell wall, and reproduce with spores and sex cells.
Your tone
Let's look at the other choices first. Your credibility is your ability to be believed as trustworthy in regards to the subject. Whether you're talking to a group of teenagers or professional adults, your credibility doesn't change. Your clarity also should not change based on the audience because you want to be clear in your message at all times. Also, your purpose should be the same no matter the audience. The only thing that would change is your tone. The way you approach a crowd of teenagers would vary greatly from the way you'd approach a room of professionals.
Answer:
b, he shows multiple times his ability to comprehend English
