The interaction of living organisms with the environment
The landmasses of Earth
The atmosphere surrounding Earth
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The Correct Option isB
Solution and Explanation
The biosphere refers to the global sum of all ecosystems, encompassing all living organisms and their interactions with the environment.
It includes all life on Earth and the areas where life exists, such as the land, water, and atmosphere.
The term does not refer to water bodies, landmasses, or the atmosphere alone, but rather the living organisms within them and their interrelationships.