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.
Answer:
I don't like hamburgers, so I never eat them.
Explanation:
read aloud and find where it needs commas.
the sentence makes no sense it needed to be edited.
add punctuation at the end of every sentence.
I believe that she felt motivated to free herself from him
Answer:
the third one I guess
Explanation:
cause he gives a dirty look
