A water body has high BOD, indicating that water is</h2></div>

UV radiations cause</h2></div>

A rapid growth of photosynthetic algae in water develops 'bloom'. How would it affect the environment of water?</h2&g…

How is the value of COD compared to BOD?

Read the given statements and select the correct option. <br> Statement 1 : Reforestation is the process …

Finely divided solid, remaining either with in solution or in suspension is known as<span><br> </span>…

The worst enemy of ozone is</h2></div>

HCs are thermodynamically not stable towards<span><br> </span></h2></div>