From what my teacher taught us it would be c.
Answer:
Underline the important text.
Make Links a Different Colour.
Making visual adjustments such as making text bold, making it italicized, making it ALL CAPS.
They can also track you by your IP address which is kind of like a thumbprint for your computer. They can also find your channel and your youtube account as well.
A cross tab query is good in data assessment
in any underlying tables.
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