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Question
Which of the following is a sedimentary cycle?
Which of the following is a sedimentary cycle?
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Solution
The correct option is B Phosphorus
Nutrient cycling is defined as the movement of nutrient elements through the various components of an ecosystem. Chemical elements move from environment to organisms and back to the environment in more or less closed loops. Nutrient cycles are divided into two types based on element reservoir:
(a) gaseous
(b) sedimentary
The reservoir for the gaseous type of nutrient cycle (nitrogen, carbon, oxygen, hydrogen cycle) exists in the atmosphere. Reservoirs for the sedimentary cycle (sulphur, calcium and phosphorus cycle) are located in the Earth’s crust. The function of the reservoir is to meet the deficit which occurs due to imbalance in the rate of influx and efflux in the environment. Thus, in the above option except for the phosphorus, all others are gaseous cycles.
Nutrient cycling is defined as the movement of nutrient elements through the various components of an ecosystem. Chemical elements move from environment to organisms and back to the environment in more or less closed loops. Nutrient cycles are divided into two types based on element reservoir:
(a) gaseous
(b) sedimentary
The reservoir for the gaseous type of nutrient cycle (nitrogen, carbon, oxygen, hydrogen cycle) exists in the atmosphere. Reservoirs for the sedimentary cycle (sulphur, calcium and phosphorus cycle) are located in the Earth’s crust. The function of the reservoir is to meet the deficit which occurs due to imbalance in the rate of influx and efflux in the environment. Thus, in the above option except for the phosphorus, all others are gaseous cycles.
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