Which is an example of a dependent clause?

The clause does not express a complete thought and cannot stand on its own as a sentence.

Explanation:

The clause does not express a complete thought and cannot stand on its own as a sentence. Damian won't be able to play in the game because he injured his foot. Because he injured his foot is a dependent clause.

1- cleans/ tidies up

2- were

3-would be

4- had known

5-takes

6-must be/ have to be/should be

is it "means of nourishment"