Answer:
Bar graph.
Step-by-step explanation:
Bar graphs can easily demonstrate the difference in amounts for many things, and can accurately illustrate the population for example. It will show a change and can demonstrate many populations all at once.
Hope this helps!
-AxekickNebulite
16
y=6
y=3
y=-3
y=-5
x=3
x=5
x=-1
x=-4
Answer: A