a will be the answer
ΰΏβββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββγ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€ββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββγ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€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).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).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).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).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).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).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).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).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).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).βββββββββββββββββββββββββγ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€βββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββββγ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€βββββββββββββββββββββββββΰΏEverything 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).ΰΏEverything 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).γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€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).γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€γ
€Everything in Earth's system can be placed into one of four major subsystems: land, water, living things, or air. These four subsystems