ASVAB General Science Classifications Practice Test 303703

Question 1 of 5
Biosphere

The biosphere is the global ecological system integrating all living beings and their relationships. This includes their interactions with the lithosphere (the rigid outer part of the earth, consisting of the crust and upper mantle), hydrosphere (all surface water), and atmosphere (the envelope of gases surrounding the planet).

The biosphere consists of which of the following?

lithosphere

atmosphere

all of these

hydrosphere