A.Carbon
B.Potassium
C.Nitrogen
D.Free energy
Related Mcqs:
- Biogas is composed of __________?
- Though there are no cyclic variations even then rotary compressors need precise balancing because
- The source of energy in an ecosystem is __________?
- What is contributed from the outer space in an ecosystem?
- Cyaniding is the process of
- ECF contains which of these in large amounts:
- The ultimate analysis of coal gives
- The proximate analysis of coal gives
- Which one of the following cycle is not a gaseous biogeochemical cycle in ecosystem ?
- The pyramid of energy in any ecosystem is __________?