Answer:
1. Atmosphere
- air surrounding the earth
.
2. Lithosphere
- mountains, canyons, and valleys for example.
3. Hydrosphere
- snow, ice, vapor for example
.
4. Biosphere
- plants and animals.
Explanation:
The earth is divided into four major subsystems decided according to their 'constituents'. The four such subsystems are the lithosphere- land, hydrosphere-water, biosphere- living things, and the atmosphere- air.
These four subsystems are connected to one another, interacting with each other and maintaining life on earth.
The atmosphere consists of the air that surrounds the earth.
The lithosphere is the solid part of the earth like the mountains, valleys, and canyons, etc.
The hydrosphere is the water bodies such as snow, ice, vapor, etc.
The biosphere constitutes the living things on the earth like plants and animals.
