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The forces must be balanced.
This is in accordance to Newton's first law of motion, which states that an object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an unbalanced force.
An unbalanced force is also known as a resultant force.
If your choices are the following:
<span>A. Legend
B. Chart area
C. Slices
D. Chart elements
Then the answer is letter B. </span>Chart area is the boundary that contains all the chart and all its elements including the chart titles, legends, plot area, labels, etc.
(CSE) style is used in scientific research papers. In this style there are three systems of documentation, but all of them are appropriate styles to write a scientific paper and make proper references to them. Although all could in some context be taken as scientific, only one really pops out and that's biology.