The data in the table are the result of a paramecium being placed in a hypertonic salt solution.


Salt concentration Contractions per minute

outside paramecium

Very high-------------------2

High-----------------------8

Medium--------------------15

Low-----------------------22

Very Low-------------------30


Which statement correctly describes the bars on a bar graph representing the data?

AThe graph has five bars of equal height.
BThe bars range from tallest for very high concentration to shortest for very low concentration.
CThe bar for very low concentration is twice the height of the bar for medium concentration.
DThe bar for very high concentration is five times the height of the bar for very low concentration.