Question

what conditions are required for things available in nature to become a resource​

Answer 1

it should be technologically available, culturally acceptable and economically feasible

Answer 2

$\huge \mathfrak\pink{hola!!}$

$\bf{Resource:}$

Everything that is available in our environment which can be used to satisfy our needs , provided , it is technologically accessible , economically feasible and culturally acceptable can be termed as Resource.