Answer:
B) wwl, wwll, european union, cold war
Explanation:
Complained about how it was too little to do.
A line graph would be a great choice for such data.
<h3>What is a line graph?</h3>
A line graph illustrates the relationship or variation between two variables that are displayed on the x- and y-axes. It is mainly used for tracking changes over short and long periods.
<h3>Why line graphs are useful in such cases?</h3>
Since line charts typically employ a series of data points connected by straight lines on two axes to depict changes over time. In light of the fact that one set of data is always dependent on the other, line charts are useful for analyzing the relationship between two sets of values.
Learn more about line charts here:
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Answer:
Usually, frequency is expressed in the hertz