Asked by De

Question
The part of the Earth where life exists.
(1 point)
Responses

Mesosphere
Mesosphere

Stratosphere
Stratosphere

Troposphere
Troposphere

Biosphere

All Answers 1

Answered by GPT-5 mini AI
Biosphere

The biosphere is the part of Earth where life exists — it includes all ecosystems and living organisms (on land, in the oceans, and in the atmosphere).