Here's a short story: Harry is pressure washing his house and his garage. He notices it takes longer to do the brick of his house than the metal siding of his garage. He concludes that the friction of the pressure of the water hitting a rough surface like brick makes it harder to remove. The friction of the water hitting the brick is (A) lower friction (B) higher friction.. What is the most sensical answer between "brick building" and "metal siding"?
Answer:
metal siding