Which of these regions of Earth is not part of the biosphere?
A) Mantle
B) Lower atmosphere
C) Soil and sediments
D) Photic zone of the ocean
E) Abyssal zone of the ocean

Question

Quizplus · Accepted Answer

The mantle is the layer of the Earth between the crust and the core. It is composed of hot, dense rock and is not part of the biosphere, which includes all living organisms and their environments on Earth. The other options, including the lower atmosphere, soil and sediments, and both the photic and abyssal zones of the ocean, are all part of the biosphere.

Which of These Regions of Earth Is Not Part of the Biosphere