The thin layer of grainy substance covering the surface of the earth is called :

Identify the reasons for land degradation today.

Steps that the government has taken to conserve plants and animals.

Which one of the following method is most appropriate to check soil erosion on steep slopes?

Sliding of huge debris, rocks and other material down the slope is known as:

........... irrigation can be used in dry regions, where evaporation is very high.

Community land is also known as ______________

Population and Technology are important factors that determine land use pattern.

Different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is known as