The trans-Saharan trade route was used primarily in the exchange of A. salt for gold.
B. glass for silk.
C. iron for horses.
D. leather for wood.

What makes ijsselmeer different from other landforms in western europe?

The people who came to the american colonies in the 17th century had already been exposed to the idea of limited government mainly to the phrase in the declaration of independence stating "that governments are instituted among men, deriving their just powers from the consent of the governed" illustrates the principle of

One day as your professor is driving to work, another driver runs through a red light and hits his car. the professor is shaken up but survives the accident. however, the next time he starts to enter the intersection,he becomes nervous and fearful. soon,he starts going to work via another route to avoid the intersection even though this route adds twenty minutes to his commute in each direction. according to the principles of classical conditioning, why does the professor become scared of the previously harmless intersection? what can he do about this, as going via other route is very time consuming? be specific. break down the situation into its parts and show how the principles of learning apply.