An example of a public good is

a.
electronic goods.
c.
lumber.
b.
fossil fuels.
d.
clean air.

Agerman mapmaker named a continent after me

Ineed your opinion for the question of what is your thoughts on the use of medical marijuana? (social experiment)

On a supply and demand graph, equilibrium is the point where the two curves meet. the supply curve begins. the supply curve ends. the demand curve ends.