Question

A dependent clause is a group of words that
leaves a thought unfinished can make sense on its own makes up a sentence uses inappropriate punctuation

Answer 1

An INDEPENDENT clause can make sense, that's why it's independent.

A dependent clause must DEPEND on other words to make sense. For example

I played in the park and rode on the swings.

I played in the park. INDEPENDENT

And rode on the swings. DEPENDENT