I need help with grammer clauses PLEASE!!

The direction says to identify as either independent, adjective, adverb, or noun clauses.
1. Why is it that i can never find a pencil when i need one?
2. On your way here,did you meet a group of strange people wearing space-asge outfits?
3. As we walked along the road,we saw the wheat waving in the wind.
4. I don't care what you think!
5. Do you know that Dr. Robert Goddard was the pioneer of the liquid- fuel rocket?
6.Set in the rural South, Flannery 'O Connor's short stories present an assortment of odd character.
7.Given to the United States by France in 18886, the Statue of Liberty stands in New York Harbor and is regarded as a symbol of American freedom.
8. I'm so happy that i could dance and sing.
9. Because his artwork received wide recognition, Pablo Picasso became famous and wealthy.
10.I have concluded that personal freedom involves both self-realization and service to others.