Nature has a large variety of rocks, soils, minerals, natural vegetation and animals which is called________.

____________refer to all the materials available in our environment which helps us to satisfy our needs.

________ and_________ are the two main factors which can change substance into a resource.

Most of the industrial activities are based on the concept of__________.

Many countries in the world have vast__________ of resources. However, they do not know how to exploit and develop them.

The resources are classified into_____ parts.

The _______ were natural resources occurs influences their use.

Land, water and soil are ______ resources.

Non-renewable resources are also called_____ resources.

Those resources whose total available quantity is not known at present are called _______ resources.

Those resources whose total quantity and quality are at present known are called______.

Resources that are found every where such as sunlight and air____