A. Air
B. Water
C. Soil
D. None of these
Related Mcqs:
- The rdioactive fall out contaminates:?
- Plants growing near sea shore will usually have xerophytic characters, like thick leaves, because:?
- Both crocodiles and alligators have respiratory organs to breath in:
- Final acceptor of electrons in respiratory chain is____________??
- Excessive application of synthetic fertilizers often causes shrivelling of the roots and wilting of the plant. This is because
- Spraying of DDT on crops produces pollution of?
- The disadvantage of ploughing in arid and semi-arid zones is:
- Protective (environment) are:
- Spraying of DDT on crop produces pollution of:?
- The unit of total water content of the soil is known as __________?