Answer:
Core, Mantle, Crust
Explanation:
The layers of the earth are the inner core, the outer core, the mantle, and the crust.
A large and naturally occurring community of flora and fauna occupying a major habitat
Its call a niche hope this helps :)
It would better your city. The city would look way nicer and a lot of people would probably enjoy a recycling program. For the reasons of having reused items so the dump won't be as bad and it would give more jobs and be a healthy way of discarding old paper and bottles. It could easily help out your city. The recycling program would be a great idea and I hope it could happen.
I hope this is what you wanted.....
