Respuesta :
Answer:
C. The bar for very low concentration is twice the height of the bar for medium concentration.
Step-by-step explanation:
Guy in comments said C, I looked into it and I'm pretty sure he's right. Edge2020.
Hope this helps.
Stay safe and good luck on all of your schoolwork!
Answer:
B. Line graph
Step-by-step explanation:
got it right on edge :) have a nice day!!