This is a sentence. It has a verb and a subject.
Answer:
The two elements that contribute to the tone of every speech are reason and emotion.
Explanation:
Whatever emotion you feel in the speech, should also be felt by the audience. So if your speech is serious, your audience should be serious. A consistent tone allows the audience to focus and for the speaker to effectively get their point across.
Answer:
B
Explanation:
it's most likely that car manufactures want to make sure drivers know that they have crossed a line, and then there will be less acidents. but car companies don't want to actually want to spend the time to stop drowsey driving so they just try to make it safer.