Question

what do we call to the sources which are available in nature​

Answer 1

Answer:

Biotic & Abiotic

Any life form that lives within nature is a Biotic Resource, like humans, animals, plants, etc. In contrast, an abiotic resource is that which is available in nature but has no life; like metals, rocks, and stones. Both biotic and abiotic resources can be renewable or non-renewable.

Answer 2

Natural sources if energy... example :- sunlight, trees, water etc