Gay
A bar graph would be the best graph or chart to use to compare and contrast information.
Line chart
A "pie" chart would do this.
1
circle graph
A bar graph would be best to compare the nutrients in two different types of bread.
a pie graph
a pie graph
A bar graph is best to compare the levels because you can have 6 different color bars connected on a graph to compare the lead contamination levels.
A bar graph would be the best graph or chart to use to compare and contrast information.
Diagram
A Bar Graph
A bar graph would be best to compare the atomic weights of different elements, as it allows for easy visual comparison of values. Each element could be represented by a separate bar, with the height of the bar corresponding to the atomic weight of the element.
There are literally hundreds of website where you can compare price and service of different cell phone providers. I would suggest reviews.cnet.com.
line graph
The best graph for the purpose of comparing raw numbers between different qualitative categories would be a bar graph or some variation thereof.
A stacked bar graph would be best to compare the different elements that make up the earth's crust. Each bar would represent the total composition of the crust, and different segments of the bar would represent the proportion of each element. This allows for easy comparison of the relative amounts of each element.