The right answer is They compare quantities for particular categories.
The bar graph is composed of horizontal bands. The categories are presented on the ordinate (Y axis - vertical). The length of each bar is measured by the values arranged on the abscissa (X axis - horizontal).
It draws attention to the comparison of values rather than a period followed by time (as in the case of the bar chart).
The answer is c. is a 65 year old excutive who is very overwight.
Answer: I agree with Dr. Walker and his colleagues that the changes to Jordan Jones’s meal could not explain his improved performance.
Explanation: I agree with Dr. Walker and his colleagues that the changes to Jordan Jones’s meal could not explain his improved performance because, food can´t change anything except for your hungriness, and the more food you eat the more fat you get, and not slim.
Gel electrophoresis is a technique used to separate DNA fragments according to their size. This is from Khan academy so I believe it is reliable.