Question

The latest among the four subsystems

Answer 1

Explanation:

here's the answer:

Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems are called "spheres."

Specifically, they are the

• "lithosphere" (land),
• "hydrosphere" (water),
• "biosphere" (living things),
• "atmosphere" (air).