What extends from the tops of the tallest mountains to the bottom of the ocean and is anywhere on the surface of the Earth that life exists?

A. The biosphere
B. A biome
C. An ecosystem



Answer :

Final answer:

The biosphere encompasses all life on Earth, from microbes to large mammals, across various environments.


Explanation:

The Biosphere

The biosphere is the entire zone on Earth where life exists, encompassing all living organisms from plants to animals and bacteria, and extending from the highest mountaintops to the deepest ocean trenches. It includes the lithosphere, troposphere, hydrosphere, and interactions with the geosphere, atmosphere, and hydrosphere in biogeochemical cycles.


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