Agirls walks 4 steps forward and then 3 steps backward. the girls distance walked is steps and her displacement is steps. a) 1, 7 b) 3, 4 c) 7, 1 d) 7, 7

The distance walked would be the total amount of her movement.  

4 steps+3 steps=7 steps

The displacement is how far from her original location the girl is.  

4 steps-3 steps=1 step.

C) 7, 1

Hope this helps!!

the answer is na (sodium)