Answer:
The first one is When a machine is used for spare parts for another machine.
Explanation:
D. The change from ballad form in the beginning to common form at the end
Answer:
Researchers now believe that dreams help us process emotions, consolidate memories, and more. Sometimes dreams make a lot of sense -- like when we've been working hard and we end up dreaming, alas, that we're still at work. Other times the meaning of dreams is less clear.