Question

Check my answers please
What is another name for biosphere? (1 point)
The great Recycler
A biome***
The habitable zone
The climate zone
2. What are three essential chemical elements in the biosphere?
Nitrogen,oxygen,carbon**
Carbon, oxygen, and helium
Oxygen,carbon,iron
Nitrogen,carbon,and hydrogen
3.what are three potential sources of materials that are present in a tree?
Decaying plant matter
Waste from animals
A lump of coal
All of the above**