A. Carbon
B. Iodine
C. Phosphorus
D. Sulphur
Related Mcqs:
- Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem ?
- Ozone layer of upper atmosphere is being destroyed by:?
- What are the chief pollutants of the atmosphere which are most likely to deplete the ozone layer??
- Which gas is likely to be reduced in the atmosphere by deforestation?
- Which of the radioactive material is largely associated with bone cancer?
- Which of the following chemicals is responsible for the depletion of ozone layer in the atmosphere?
- Which one of the following pairs is a sedimentary type of biogeochemical cycle?
- Biogas is composed of __________?
- The most reactive allotropic form of phosphorus is
- Which of the following allotropic forms of phosphorus is used in the manufacture of safety matches?
