Which of the following reflects the proper punctuation of the above sentence

You are reading an informational text for english class, and you find a lot of words you don't know. your teacher says you don't need to look up all of them in the dictionary, only the ones you need to get the main point of the text. how could text features you figure out which words to look up?

Introduction to making a difference: it’s our world, too!

When you wear your earbuds while working out, your sweat damages them and they die sooner