Question

which terms refer to major subsystems of earths physical systems? choose all answers that are correct. ionosphere biosphere hydrosphere lithosphere

Explanation:

Earth's major physical subsystems (spheres) include the biosphere (all living things), hydrosphere (all water), and lithosphere (Earth's solid outer layer). The ionosphere is a sublayer of the atmosphere, not a major independent subsystem.

Answer:

• biosphere
• hydrosphere
• lithosphere