The table shows the percent of Earth's atmosphere that is each element. A. Bar diagram Model 21% using a bar diagram. 0% to 100% B. Write the percent of Earth's atmosphere that is nitrogen as a fraction in simplest form.

A). On a bar diagram where the bottom of the diagram is zero

and the top of the diagram is 100%, a bar showing 21%

must be 0.21 of the height from the base to the top.

B). I don't know anything about the nitrogen in the Earth's

atmosphere, because you won't let me see the table.