NCERT Important Questions Class 9 Science biology Chapter 14
Important NCERT Extra Questions
Chapter 14 Natural Resources
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
What is biosphere?
Share
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Biosphere is living mantle of Earth where living beings occur.