Plants require water for their survival. But when watered excessively, Plants die. Discuss.

How is water absorbed by plants?

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: What is sewage composition?

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: To which types of treatment, the sewage water is subjected to? Enlist the significance of each treatment type.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: Sewage treatment provides not only usable water but also generates fuel. Justify the statement.

Sewage Treatment Plants (STPs) are those plants where sewage water is treated before its discharge into the rivers. Discuss the following: Why the secondary treatment is also called biological treatment?

We know that plants require nutrients. If we supply these in excess, will it be beneficial to the plants? If yes, how/ If no, why?

What are water pollutants? Discuss in detail the types of water pollutants and also discuss the sources of water pollution.