According to the diagram below,humans are responsible for approximately _______ percent of the total amount of global nitrogen fixation on land. 
Definitions:
Percentages
A mathematical concept representing a part of a whole as fractions of 100.
Ratios
A mathematical relation between two numbers showing how many times the first number contains the second.
Visual Distortion
Visual distortion involves the alteration of visual perception, where what is seen does not correspond to the physical reality, often due to specific conditions or effects in photography, art, and displays.
Bar Chart
A graphical representation of data using bars of varying heights or lengths to compare different categories of information.
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