The crocodile and the Egyptian Plover have a relationship in which the crocodile provides a food source, in exchange for the plover cleaning the crocs teeth (eating the leftover meat remnants). Both of these organisms benefit from the relationship. Identify the relationship.

This illustration shows a building in alexandria during the hellenistic age. the building in this illustration was the first research library. a school led by aristotle. the palace of alexander iii. a famous lighthouse.

Which is the main inference that can be drawn from adam smith's book the wealth of nations? a) for an economy to work flawlessly, it shouldn't have to serve and moral goals. b) the government must control a free-market economy, or economic problems will arise. c) a free-market economy works well only without the government's interference. d) free trade will only hurt economies and should be stopped by governments.

Why is james madison significant in regards to the bill of rights?