Assertion: Sedimentary  nuterient cycles of phosphorus, calcium, magnesium,
Channel: Doubtnut
Date: 2020-08-23

Assertion: Sedimentary  nuterient cycles of phosphorus, calcium, magnesium, etc., are considered as imperfect  Reason: These cycles get more easily disrupted by local disturbances as the bulk of material remains in the relatively inactive and immobile reservoir on the earth's crust.