Final answer:
The text that uses the most informal vocabulary is 'Students! Take a look around the college's grounds and see the different student groups you can join. It's a great way to make friends!'.
Step-by-step explanation:
The text that uses the most informal vocabulary is:
Students! Take a look around the college's grounds and see the different student groups you can join. It's a great way to make friends!
This text uses informal language with phrases like 'take a look around', 'student groups you can join', and 'make friends'. These phrases are more casual and conversational, making it the most informal option among the given texts.
Learn more about informal vocabulary