Answer:
The cell membrane is composed mainly of phospholipids, which consist of fatty acids and alcohol. The phospholipids in the cell membrane are arranged in two layers, called a phospholipid bilayer.
Explanation:
Climate change is usually negative because if it dramatic it could kill most of species.
Answer:
1.) DNA Fingerprinting- a positive out come of this is when some one commits a crime and leaves finger prints they can be used to find the person who committed the crime