Why is this sentence correct?

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1

<p>The information age has ushered children into a global society, a situation causing educators to lament a lack of texts that explain the diversity of cultures.</p>

<p>I know this sentence sounds right and it is right. </p>

<p>But, is the second part of the sentence after the comma a complete clause? Why is the sentence only joined by a comma? </p>

<p>And if it is not a complete clause, why is it only joined by a comma?</p>

<p>I feel like I'm really confused after a day of doing questions. Everything sounds right and wrong now. Omg.</p>

2

<p>I’m pretty sure “a situation…cultures” is an appositive phrase renaming “global society”. Appositives are joined with commas.</p>

<p>Though looking back on that two minutes later… that’s a very tenuous explanation. Anyone have a better answer?</p>