1)
1. Disappeared -
- to no longer exist:
2. Inactive
- doing nothing
3. Extinct
- not now existing.
2)
1. Litter
-small pieces of rubbish that have been left lying on the ground in public places
2. Rubbish
- waste material or things that are no longer wanted or needed
3. Waste
- an unnecessary or wrong use of money, substances, time,energy, abilities, etc
3)
1.Crew
- a group of people who work together, especially all those who work on and operate a ship, aircraft, etc
2. Team
- a number of people or animals who do something together as a group
3. Staff
- the group of people who work for an organization