3. Research shows that colorful and vivid advertisements tend to attract more people. Marketers use many different research studies when developing their advertisements.
How are the sentences related?
a. The second sentence provides background for the first
b. The first sentence contradicts the second
c. They present a contrast
d. They repeat the same idea

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 answer is b, it brings the reader closer to the action.

it would've been a if the word had been determined, not conceited

hope this

-ironwolfx