Civil Services Examination · প্রশ্ন 27
In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) Phosphorus cycle
ব্যাখ্যা
Phosphorus has a sedimentary cycle with no significant atmospheric reservoir; it enters ecosystems mainly through weathering of rocks.