The law of diminishing marginal product states that as a firm uses more of a variable resource with a fixed resource and fixed technology, the marginal product of the variable resource will fall. From related site.
An example of a flow resource is wind or sunlight
An example of a fixed joint is the skull
A natural resource.
Some example of primary resources are newspapers, journal entries, and letters.
yes it is an example of fixed cost
definition of land resource
A sustainable resource is a resource that is constantly renewed. For example water would be a renewable resource because of the water cycle.
Resource pollution means contaminating a given resource. Contamination of water can be considered as a good example of resource pollution.
An example of a flow resource is wind or sunlight
Trees
Iron