Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment
Which factors contribute to soil erosion?
1
Only rain and human activities like construction
2
Only human activities like construction and overgrazing of animals
3
Only rain and wind
4
Human activities like construction, overgrazing of animals, rain and wind
5
None of the above