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Task 1 - Line graphs can be used to show how information or data change over time. They have an x-axis (horizontal) and y-axis (vertical). Usually the x-axis shows the time period and the y-axis shows what is being measured. Line graphs can be used when you are plotting data that have peaks (ups) and troughs (downs). In other words, they highlight trends.
Task 2- Both sides are clearly discussed and the opinion is also clearly given.
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