Question

resources whose quantity is known is​

Answer 1

Answer:

Resources whose quantity is known and which are being used at present are called actual resources, e.g. coal and petroleum.

Answer 2

Answer:

Resource: Anything which has some utility for us is called a resource. Some resources have economic value, while some do not. For example; milk has economic value, but a beautiful landscape has no economic value. But both are important because both satisfy some human needs

hope it help you.please mark me as brainlist