Respuesta :
The answer is number 2. This is because when you skim text you just glance at it to figure out the topic.
When establishing a purpose for reading a text, the role skimming or scanning step involve is, glancing over given information.
What is glancing?
Glancing refers to having a quick look or reading something.
Because this is so that you can determine the topic when you quickly scan a text. Thus, when establishing a purpose for reading a text, the role skimming or scanning plays is glancing over given information.
Hence the correct option is, 2.glancing over given information
To know more about glancing:
https://brainly.com/question/3326644
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