Concept:The biosphere is the life-supporting layer where land, water, air, and all living organisms interact.
Explanation:The biosphere is the narrow zone of contact between land, water, and air.
All forms of life, from microbes to humans, exist only in this zone.
It includes both living (plants, animals) and non-living (land, water, air) components.
These components are interconnected and depend on each other for survival.
Thus, the most complete and suitable statement includes all these elements together.
Answer:C. Land, water, air, plants and animals
