Negative externalities and the tragedy of the commons are problems that have a common source. what is this common source? a lack of concern for human rights a lack of competition a lack of clearly defined and enforced property rights self-interest motives of producers and consumers

Answer is "a lack of clearly defined and enforced property rights".

The tragedy of the commons is a term utilized as a part of sociology to portray a circumstance in a mutual asset framework where singular clients acting freely as per their own particular self-intrigue act in opposition to the benefit of all people by exhausting or ruining that asset through their collective activity. If the boundaries are clearly defined this can b avoided. 

everyone knows that religion has a dangerous tendency to promote violence. this story is part of the conventional wisdom of western societies, and it underlies many of our institutions and policies, from limits on the public role of religion to efforts to promote democracy in the middle east.

explanation:

bacteria – a word that often brings out a sense of uneasiness in most of us are, in fact, one of the earliest forms of life. it can be quite unnerving to know that there are bacteria all over your skin, hair, and even inside the body. but only a few species of bacteria are dangerous. the majority of bacteria are good, and without them, life on earth wouldn’t be possible. let’s learn more about how are bacteria essential for you to survive.