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प्रश्न
Guano deposits are rich in ______.
विकल्प
sulphur
phosphorus
calcium
magnesium
उत्तर
Guano deposits are rich in phosphorus.
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संबंधित प्रश्न
Explain ‘Carbon cycle’.
The abundance of phosphate, causing algal overgrowth resulting in depletion of oxygen and killing other aquatic life is known as --------------------------.
Give a graphic representation of the phosphorus cycle in nature.
Give a graphic representation of the C3 cycle.
Name the reservoir and sink of carbon in the carbon cycle.
The normal concentration of CO2 in atmosphere is ____________ %
Among the following bio-geo chemical cycles which one does not have losses due to respiratjon?
Among the following biogeochemical cycles which one does not have losses due to respiration?
Human activities interfere with carbon cycle. List any two such activities.
What is a biogeochemical cycle? What is the role of the reservoir in a biogeochemical cycle? Give an example of a sedimentary cycle with reservoir located in the earth’s crust.
