The correct answer is A.
Your friend directly tells you to buy a product because of how good it is. This would be an example of a direct influence because he is telling you to your face to buy it. The other options would be indirect influence as you either overheard or read about his opinion on this product.
Answer:
Complete counterbalancing
Explanation:
He should split them into groups of 10 or group of 6, and have play the candy crush, another read the trick and another read about the inventor.
