Which of Earth's systems are humans part of?
A) atmosphere
B) the hydrosphere
C) the part of the biosphere that doesn't include the biota
OD) the biota portion of the biosphere
C) The part of biosphere that doesn't include the biota
Explanation:
Humans are part of the biosphere, although they are increasingly responsible for the creation of systems that may be largely artificial (such as cities).
