The correct answer to this open question is the following.
Although the question is incomplete because it does not provide any reference to what kind of resources, if financial, natural, human, or any other type, we can comment on the following.
If the question refers to the relations among the three types of productive resources, then, they are the following. We are talking about natural resources, Human resources, and Capital resources.
Natural resources are rax materials such as oil, minerals, coal, and land. These are necessary to produce things through a transformation in the different industries of a nation. Human resources are the human labor, the work, and activities of workers and employees in factories and corporations. It includes the talent level applied to solutions in the workplace. Finally, Capital resources are what is used in production lines such as machines, technologies, equipment, or buildings.
These three resources are closely related because they are all need in the systems of production.