Answer:rival in consumption and non- excludable
rival in consumption and excludable
common resource
private good
Explanation:
The fish in the river are considered ___rival in consumption __ and __non-excludable ___ whereas the fish in the private pond are _rival in consumption____ and _excludable____. In other words, the fish in the river are an example of ___common resource__, and the fish in the private pond are an example of ___private good__.