(6630 ÷ 13 + 6120 ÷ 12) ÷ (17 × 3) =

What does "biodegradation" involve?

What is "eutrophication" primarily associated with?

In the anaerobic digestion method of waste management:

Match the following environmental laws with the years they were enacted in India:

Biodiversity hotspots are designated based on which of the following criteria?

(A) Number of endemic species 

Match the following environmental activists with their associated movements:

Consider the following statements (A) and (B). 

  Statement (A) : Crows build nests on very low branches on a tree. 

What term is used to describe water that is safe and palatable for human consumption?

Which type of biodiversity conservation involves protecting a species in its natural habitat?

What are effective methods to reduce air pollution?

(A) Increased use of fossil fuels

(B) Afforestation

(C) Carpooling