Question

How many sphere are there of
earth? which are they? ​

Answer 1

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), and "atmosphere" (air).

Answer 2

Answer:

there are four spheres hydrosphere ,lithosphere , atmosphere, boisphere

Explanation:

hydrosphere stand for water

lithosphere =rock

atmosphere = air

biosphere = life