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
The death of Archduke Franz Ferdinand collapsed the peace in Europe because Austria- Hungary started a war with Serbia because a Serbian student- Gavrilo Princip shot him dead. After this incidence, European countries built alliances and this lead all of Europe wading into the war.
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