Answer:
Biosphere
Explanation:
The spheres that are formed by remains of living things with a black hard surface are known as BIOSPHERE.
Considering the fact the Biosphere covers everywhere there is life, including the forest, deep-rooted surface where life can form, and the water where lives exist.
Therefore, the remains of living things are the life part, while a black hard surface is the nonliving things part, that is also connected and influence by the whole activities in the ecosystem.
Hence, the right answer is BIOSPHERE
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