What is the difference between the following words? Write the definitions.
1) disappeared

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