Question: Avery rides his bike through two puddles. When he rides his bike through the mud puddle, his bike moves very slowly. When he rides his bike through the rain puddle, his bike speeds up. The bike slows down in the mud puddle because there is (A) less friction. (B) more friction  Do not use A and B to answer the question but instead, choose between "rain puddle" and  "mud puddle".
Answer:
mud puddle