Common Indicator Organism of Water Pollution: E. coli
The most common indicator organism of water pollution is:
The most common indicator organism of water pollution is:
Match the Metal with its Source: List-I (Metal) List-II (Source) A. Lead 1. Thermometers / Coal burning B. Mercury 2. Batteries / Paints C. Cadmium 3. Ni-Cd Batteries D. Chromium 4. Tanning Industry
The permissible limit of Arsenic in water is:
Excessive release of thermal energy into water bodies affects:
The major source of methane in India is: