Which of the following is true of the biosphere?
A)It includes Earth's crust and a portion of the upper mantle.
B)It exists on other planets in the solar system.
C)It is not connected to the overlapping inorganic spheres.
D)It extends from the floor of the oceans to 8 km (5 mi. )into the atmosphere.
E)It encompasses all of Earth's water,including that in the atmosphere and subsurface.

Question

Quizplus · Accepted Answer

The biosphere includes all living organisms on Earth and their interactions with the abiotic factors in their environment, spanning from the floor of the oceans to 8 km (5 mi.) into the atmosphere. Option A is referring to the geosphere, and option E includes the hydrosphere and atmosphere, which are part of the biosphere but not the entirety of it. Option B is false, as the biosphere is specific to Earth, and option C is also false as it is connected to the other inorganic spheres such as the atmosphere and geosphere.

Which of the Following Is True of the Biosphere