Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) Biogeography
The living components of the environment are linked with each other by
1
transfer of energy and material.
2
water in cyclic form
3
changing the environment
4
More than one of the above
5
None of the above