Which of the following is true about acids?

a. acids give foods a bitter taste.
b. aqueous solutions of acids conduct electricity.
c. acids have a ph value greater than 7.
d. all of the above

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).