Answer:
a. The second sentence provides background for the first
Explanation:
According to the first sentence, research has proven that colorful and vivid advertisements helps to attract more people.
Additionally, the second statement says that marketers use various research studies to develop their advertisement.
The relationship between the two sentences is that the second sentence provides background for the first by explaining how the market research has helped.
The difference between a prepared and impromptu speech is how much time is given to the speaker prepare or rehearse
The answer is A because it is summarizing and telling what the pargraph is going to be about
The word floundered generally mean struggled or went through great difficulty/troubles.
