Answer:
A bar graph
Explanation:
a bar graph keeps track of things like the length of something. of course there will be other things that it can keep track of but for your case, you will want to use a bar graph.
I hope that this helps! Best of luck!
I DONOT NOW SOORY
Substances that exist in solution almost completely as ions are called strong electrolytes. Therefore, the answer is C.
The answer is A