A.Oxygen and nitrogen
B.Phosphorus and sulphur
C.Phosphorus and CO2
D.Phosphours and nitrogen
Related Mcqs:
- Which is an example for sedimentary biogeochemical cycle?
- Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem ?
- Which ecological cycle is directly driven by sunlight?
- Affinity of the enzyme RuDP carboxylase for crbon dioxide is enhanced by:
- The most abundant gases in the earth’s atmosphere by volume are ____________.
- Which are the four most abundant elements in living cells ??
- Which gas is likely to be reduced in the atmosphere by deforestation?
- The cycle of life, death and decay involving organic nitrogeneous matter is called
- In a volume of air near the earth’s surface, _____________ occupies 78 percent and ____________ nearly 21 percent.
- The oxygen for fuel combustion comes from the air which consists of about
