When you walk, you push against the floor, and _________.

AThe floor needs to be frictionless.
BThe floor pushes back against you.
CThe floor doubles your momentum.
DYour shoes store momentum.

Verified Answer :

When you walk, you push against the floor, and the floor pushes back against you.

Answer: B. The floor pushes back agaisnt you. 

Good luck with your studies, I hope this helps~!